| /* |
| * 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 */ |