vm/mterp/mips/OP_SGET_WIDE.S

   1 %default {"volatile":"0"}
   2 %verify "executed"
   3 %verify "field already resolved"
   4 %verify "field not yet resolved"
   5 %verify "field cannot be resolved"
   6     /*
   7      * 64-bit SGET handler.
   8      */
   9     # sget-wide vAA, field                 /* BBBB */
  10     LOAD_rSELF_methodClassDex(a2)          #  a2 <- DvmDex
  11     FETCH(a1, 1)                           #  a1 <- field ref BBBB
  12     LOAD_base_offDvmDex_pResFields(rBIX, a2) #  rBIX <- dvmDex->pResFields
  13     LOAD_eas2(a0, rBIX, a1)                #  a0 <- resolved StaticField ptr
  14     # is resolved entry null?
  15     bnez      a0, .L${opcode}_finish
  16
  17     /*
  18      * Continuation if the field has not yet been resolved.
  19      *  a1:  BBBB field ref
  20      *  rBIX: dvmDex->pResFields
  21      *
  22      * Returns StaticField pointer in v0.
  23      */
  24     LOAD_rSELF_method(a2)                  #  a2 <- current method
  25 #if defined(WITH_JIT)
  26     EAS2(rBIX, rBIX, a1)                   #  rBIX<- &dvmDex->pResFields[field]
  27 #endif
  28     EXPORT_PC()                            #  resolve() could throw, so export now
  29     LOAD_base_offMethod_clazz(a0, a2)      #  a0 <- method->clazz
  30     JAL(dvmResolveStaticField)             #  v0 <- resolved StaticField ptr
  31     move      a0, v0
  32     # success?
  33     beqz      v0, common_exceptionThrown   #  no, handle exception
  34 #if defined(WITH_JIT)
  35     /*
  36      * If the JIT is actively building a trace we need to make sure
  37      * that the field is fully resolved before including this instruction.
  38      */
  39     JAL(common_verifyField)
  40 #endif
  41
  42     b        .L${opcode}_finish            # resume
  43 %break
  44
  45 .L${opcode}_finish:
  46     GET_OPA(a1)                            #  a1 <- AA
  47     .if $volatile
  48     vLOAD64_off(a2, a3, a0, offStaticField_value) #  a2/a3 <- field value (aligned)
  49     .else
  50     LOAD64_off(a2, a3, a0, offStaticField_value) #  a2/a3 <- field value (aligned)
  51     .endif
  52     FETCH_ADVANCE_INST(2)                  #  advance rPC, load rINST
  53     EAS2(a1, rFP, a1)                      #  a1 <- &fp[AA]
  54     STORE64(a2, a3, a1)                    #  vAA/vAA+1 <- a2/a3
  55     GET_INST_OPCODE(t0)                    #  extract opcode from rINST
  56     GOTO_OPCODE(t0)                        #  jump to next instruction