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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_CONST_STRING_JUMBO.S
*
* Code: Move a string reference to a register. Uses no substitutions.
*
* For: const/string-jumbo
*
* Description: Move a reference to the string specified by the given
* index into the specified register. vAA <- pResString[BBBB]
*
* Format: AA|op BBBBlo BBBBhi (31c)
*
* Syntax: op vAA, string@BBBBBBBB
*/
movl rGLUE, %edx # get MterpGlue pointer
movl offGlue_methodClassDex(%edx), %eax # %eax<- glue->methodClassDex
movl offDvmDex_pResStrings(%eax), %eax # %eax<- glue->methodClassDex->pResStrings
FETCH 1, %ecx # %ecx<- BBBBlo
FETCH 2, %edx # %edx<- BBBBhi
shl $$16, %edx # %edx<- prepare to create &BBBBBBBB
or %edx, %ecx # %ecx<- &BBBBBBBB
movl (%eax, %ecx, 4), %eax # %eax<- pResStrings[BBBB]
cmp $$0, %eax # check if string is resolved
je .L${opcode}_resolve # resolve string reference
SET_VREG %eax, rINST # vAA<- %eax; pResString[BBBB]
FINISH 3 # jump to next instruction
%break
/*
* Continuation if the Class has not yet been resolved.
* %ecx: BBBB (Class ref)
* need: target register
*/
.L${opcode}_resolve:
EXPORT_PC
movl rGLUE, %edx # get MterpGlue pointer
movl offGlue_method(%edx), %edx # %edx<- glue->method
movl offMethod_clazz(%edx), %edx # %edx <- glue->method->clazz
movl %ecx, -4(%esp) # push parameter class ref
movl %edx, -8(%esp) # push parameter glue->method->clazz
lea -8(%esp), %esp
call dvmResolveString # resolve string reference
# call: (const ClassObject* referrer, u4 stringIdx)
# return: StringObject*
lea 8(%esp), %esp
cmp $$0, %eax # check if resolved string failed
je common_exceptionThrown # resolve failed; exception thrown
SET_VREG %eax, rINST # vAA<- %eax; pResString[BBBB]
FINISH 3 # jump to next instruction
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