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/*
* Copyright (C) 2016 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.
*/
/*
* Interpreter entry point.
*/
.set reorder
.text
.global ExecuteMterpImpl
.type ExecuteMterpImpl, %function
.balign 16
/*
* On entry:
* a0 Thread* self
* a1 code_item
* a2 ShadowFrame
* a3 JValue* result_register
*
*/
ExecuteMterpImpl:
.cfi_startproc
.cpsetup t9, t8, ExecuteMterpImpl
.cfi_def_cfa sp, 0
daddu sp, sp, -STACK_SIZE
.cfi_adjust_cfa_offset STACK_SIZE
sd t8, STACK_OFFSET_GP(sp)
.cfi_rel_offset 28, STACK_OFFSET_GP
sd ra, STACK_OFFSET_RA(sp)
.cfi_rel_offset 31, STACK_OFFSET_RA
sd s0, STACK_OFFSET_S0(sp)
.cfi_rel_offset 16, STACK_OFFSET_S0
sd s1, STACK_OFFSET_S1(sp)
.cfi_rel_offset 17, STACK_OFFSET_S1
sd s2, STACK_OFFSET_S2(sp)
.cfi_rel_offset 18, STACK_OFFSET_S2
sd s3, STACK_OFFSET_S3(sp)
.cfi_rel_offset 19, STACK_OFFSET_S3
sd s4, STACK_OFFSET_S4(sp)
.cfi_rel_offset 20, STACK_OFFSET_S4
sd s5, STACK_OFFSET_S5(sp)
.cfi_rel_offset 21, STACK_OFFSET_S5
sd s6, STACK_OFFSET_S6(sp)
.cfi_rel_offset 22, STACK_OFFSET_S6
/* Remember the return register */
sd a3, SHADOWFRAME_RESULT_REGISTER_OFFSET(a2)
/* Remember the code_item */
sd a1, SHADOWFRAME_CODE_ITEM_OFFSET(a2)
/* set up "named" registers */
move rSELF, a0
daddu rFP, a2, SHADOWFRAME_VREGS_OFFSET
lw v0, SHADOWFRAME_NUMBER_OF_VREGS_OFFSET(a2)
dlsa rREFS, v0, rFP, 2
daddu rPC, a1, CODEITEM_INSNS_OFFSET
lw v0, SHADOWFRAME_DEX_PC_OFFSET(a2)
dlsa rPC, v0, rPC, 1
EXPORT_PC
/* Starting ibase */
REFRESH_IBASE
/* Set up for backwards branches & osr profiling */
ld a0, OFF_FP_METHOD(rFP)
daddu a1, rFP, OFF_FP_SHADOWFRAME
jal MterpSetUpHotnessCountdown
move rPROFILE, v0 # Starting hotness countdown to rPROFILE
/* start executing the instruction at rPC */
FETCH_INST
GET_INST_OPCODE v0
GOTO_OPCODE v0
/* NOTE: no fallthrough */
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