| /* Copyright (C) 2008 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /* |
| * File: OP_IPUT_WIDE.S |
| * |
| * Code: 64 bit instance field "put" operation. Uses no substitutions. |
| * |
| * For: iget-wide |
| * |
| * Description: Perform the object instance field "put" operation |
| * with the identified field; load the instance value into |
| * the value register. |
| * |
| * Format: B|A|op CCCC (22c) |
| * |
| * Syntax: op vA, vB, type@CCCC |
| * op vA, vB, field@CCCC |
| */ |
| |
| movl rGLUE, %eax # %eax<- MterpGlue pointer |
| movl offGlue_methodClassDex(%eax), %ecx # %ecx<- pDvmDex |
| movl offDvmDex_pResFields(%ecx), %ecx # %ecx<- CCCC |
| FETCH 1, %edx # %edx<- pDvmDex->pResFields |
| movl (%ecx, %edx, 4), %ecx # %ecx<- resolved InstField ptr |
| cmp $$0, %ecx # check for null ptr; resolved InstField ptr |
| jne .L${opcode}_finish |
| movl offGlue_method(%eax), %ecx # %ecx <- current method |
| EXPORT_PC # in case an exception is thrown |
| movl offMethod_clazz(%ecx), %ecx # %ecx<- method->clazz |
| movl %ecx, -8(%esp) # push parameter CCCC; field ref |
| movl %edx, -4(%esp) # push parameter method->clazz |
| jmp .L${opcode}_finish2 |
| %break |
| |
| .L${opcode}_finish2: |
| lea -8(%esp), %esp |
| call dvmResolveInstField # resolve InstField ptr |
| cmp $$0, %eax # check if resolved |
| lea 8(%esp), %esp |
| movl %eax, %ecx # %ecx<- %eax; %ecx expected to hold field |
| jne .L${opcode}_finish |
| jmp common_exceptionThrown |
| |
| /* |
| * Currently: |
| * %ecx holds resolved field |
| * %edx does not hold object yet |
| */ |
| |
| .L${opcode}_finish: |
| movl rINST, %edx # %edx<- BA |
| shr $$4, %edx # %edx<- B |
| andl $$15, rINST # rINST<- A |
| GET_VREG %edx # %edx<- vB |
| cmp $$0, %edx # check for null object |
| je common_errNullObject |
| movl offInstField_byteOffset(%ecx), %ecx # %ecx<- field offset |
| FFETCH_ADV 2, %eax # %eax<- next instruction hi; fetch, advance |
| movq (rFP, rINST, 4), %xmm0 # %xmm0<- vA |
| movq %xmm0, (%ecx, %edx) # object field<- %xmm0; vA |
| FGETOP_JMP 2, %eax # jump to next instruction; getop, jmp |
