1 %default { "barrier":" # no-op " } 2 %verify "executed" 3 %verify "field already resolved" 4 %verify "field not yet resolved" 5 %verify "field cannot be resolved" 6 /* 7 * General 32-bit SGET handler. 8 * 9 * for: sget, sget-object, sget-boolean, sget-byte, sget-char, sget-short 10 */ 11 # op vAA, field /* BBBB */ 12 LOAD_rSELF_methodClassDex(a2) # a2 <- DvmDex 13 FETCH(a1, 1) # a1 <- field ref BBBB 14 LOAD_base_offDvmDex_pResFields(rBIX, a2) # rBIX <- dvmDex->pResFields 15 LOAD_eas2(a0, rBIX, a1) # a0 <- resolved StaticField ptr 16 # is resolved entry !null? 17 bnez a0, .L${opcode}_finish 18 19 /* 20 * Continuation if the field has not yet been resolved. 21 * a1: BBBB field ref 22 * rBIX: dvmDex->pResFields 23 */ 24 LOAD_rSELF_method(a2) # a2 <- current method 25 #if defined(WITH_JIT) 26 EAS2(rBIX, rBIX, a1) # rBIX<- &dvmDex->pResFields[field] 27 #endif 28 EXPORT_PC() # resolve() could throw, so export now 29 LOAD_base_offMethod_clazz(a0, a2) # a0 <- method->clazz 30 JAL(dvmResolveStaticField) # v0 <- resolved StaticField ptr 31 move a0, v0 32 # success? 33 beqz v0, common_exceptionThrown # no, handle exception 34 #if defined(WITH_JIT) 35 /* 36 * If the JIT is actively building a trace we need to make sure 37 * that the field is fully resolved before including this instruction. 38 */ 39 JAL(common_verifyField) 40 #endif 41 b .L${opcode}_finish # resume 42 %break 43 44 .L${opcode}_finish: 45 LOAD_base_offStaticField_value(a1, a0) # a1 <- field value 46 $barrier # acquiring load 47 GET_OPA(a2) # a2 <- AA 48 FETCH_ADVANCE_INST(2) # advance rPC, load rINST 49 GET_INST_OPCODE(t0) # extract opcode from rINST 50 SET_VREG_GOTO(a1, a2, t0) # fp[AA] <- a1 51
