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/* 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_SGET.S
*
* Code: Generic 32-bit static field "get" operation. Uses no substitutions.
*
* For: sget-boolean, sget-byte, sget-char, sget-object, sget, sget-short
*
* Description: Perform the identified object static field operation
* with the identified static field; load the field value
* into the value register.
*
* Format: AA|op BBBB (21c)
*
* Syntax: op vAA, string@BBBB
*/
movl rGLUE, %edx # %edx<- pMterpGlue
movl offGlue_methodClassDex(%edx), %ecx # %ecx<- glue->pDvmDex
FETCH 1, %eax # %eax<- BBBB
movl offDvmDex_pResFields(%ecx), %ecx # %ecx<- pResFields
cmp $$0, (%ecx, %eax, 4) # check for null ptr; resolved StaticField ptr
movl (%ecx, %eax, 4), %ecx # %ecx<- resolved StaticField ptr
je .L${opcode}_resolve
jmp .L${opcode}_finish
%break
.L${opcode}_resolve:
movl offGlue_method(%edx), %edx # %edx <- glue->method
EXPORT_PC # in case an exception is thrown
movl %eax, -4(%esp) # push parameter CCCC; field ref
movl offMethod_clazz(%edx), %edx # %edx<- method->clazz
movl %edx, -8(%esp) # push parameter method->clazz
lea -8(%esp), %esp
call dvmResolveStaticField # call: (const ClassObject* referrer, u4 ifieldIdx)
# return: StaticField*
cmp $$0, %eax # check if initalization failed
lea 8(%esp), %esp
je common_exceptionThrown # failed; handle exception
mov %eax, %ecx # %ecx<- result
.L${opcode}_finish:
FFETCH_ADV 2, %edx # %edx<- next instruction hi; fetch, advance
movl offStaticField_value(%ecx), %eax # %eax<- field value
SET_VREG %eax, rINST # vAA<- field value
FGETOP_JMP 2, %edx # jump to next instruction; getop, jmp
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