/* 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_SPUT.S * * Code: Generic 32-bit static field "put" operation. Uses no substitutions. * * For: sput-boolean, sput-byte, sput-char, sput-object, sput, sput-short * * Description: Perform the identified object static field operation * with the identified static field; store the field value * register. * * Format: AA|op BBBB (21c) * * Syntax: op vAA, string@BBBB */ movl rGLUE, %edx # %edx<- pMterpGlue movl offGlue_methodClassDex(%edx), %ecx # %ecx<- 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 movl %eax, %ecx # %ecx<- result .L${opcode}_finish: FFETCH_ADV 2, %eax # %eax<- next instruction hi; fetch, advance GET_VREG rINST # rINST<- vAA movl rINST, offStaticField_value(%ecx) # field value<- vAA FGETOP_JMP 2, %eax # jump to next instruction; getop, jmp