mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-11-26 05:36:38 +00:00
1922 lines
86 KiB
Go
1922 lines
86 KiB
Go
//go:build go1.17 && !go1.21
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// +build go1.17,!go1.21
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/*
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* Copyright 2021 ByteDance Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package decoder
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import (
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`encoding/json`
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`fmt`
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`math`
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`reflect`
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`strconv`
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`unsafe`
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`github.com/bytedance/sonic/internal/caching`
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`github.com/bytedance/sonic/internal/jit`
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`github.com/bytedance/sonic/internal/native`
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`github.com/bytedance/sonic/internal/native/types`
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`github.com/bytedance/sonic/internal/rt`
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`github.com/twitchyliquid64/golang-asm/obj`
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`github.com/twitchyliquid64/golang-asm/obj/x86`
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)
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/** Register Allocations
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*
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* State Registers:
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*
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* %r13 : stack base
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* %r10 : input pointer
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* %r12 : input length
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* %r11 : input cursor
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* %r15 : value pointer
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*
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* Error Registers:
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*
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* %rax : error type register
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* %rbx : error pointer register
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*/
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/** Function Prototype & Stack Map
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*
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* func (s string, ic int, vp unsafe.Pointer, sb *_Stack, fv uint64, sv string) (rc int, err error)
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*
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* s.buf : (FP)
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* s.len : 8(FP)
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* ic : 16(FP)
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* vp : 24(FP)
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* sb : 32(FP)
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* fv : 40(FP)
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* sv : 56(FP)
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* err.vt : 72(FP)
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* err.vp : 80(FP)
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*/
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const (
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_FP_args = 72 // 72 bytes to pass and spill register arguements
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_FP_fargs = 80 // 80 bytes for passing arguments to other Go functions
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_FP_saves = 48 // 48 bytes for saving the registers before CALL instructions
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_FP_locals = 144 // 144 bytes for local variables
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)
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const (
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_FP_offs = _FP_fargs + _FP_saves + _FP_locals
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_FP_size = _FP_offs + 8 // 8 bytes for the parent frame pointer
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_FP_base = _FP_size + 8 // 8 bytes for the return address
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)
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const (
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_IM_null = 0x6c6c756e // 'null'
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_IM_true = 0x65757274 // 'true'
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_IM_alse = 0x65736c61 // 'alse' ('false' without the 'f')
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)
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const (
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_BM_space = (1 << ' ') | (1 << '\t') | (1 << '\r') | (1 << '\n')
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)
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const (
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_MODE_JSON = 1 << 3 // base64 mode
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)
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const (
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_LB_error = "_error"
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_LB_im_error = "_im_error"
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_LB_eof_error = "_eof_error"
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_LB_type_error = "_type_error"
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_LB_field_error = "_field_error"
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_LB_range_error = "_range_error"
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_LB_stack_error = "_stack_error"
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_LB_base64_error = "_base64_error"
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_LB_unquote_error = "_unquote_error"
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_LB_parsing_error = "_parsing_error"
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_LB_parsing_error_v = "_parsing_error_v"
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_LB_mismatch_error = "_mismatch_error"
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)
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const (
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_LB_char_0_error = "_char_0_error"
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_LB_char_1_error = "_char_1_error"
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_LB_char_2_error = "_char_2_error"
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_LB_char_3_error = "_char_3_error"
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_LB_char_4_error = "_char_4_error"
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_LB_char_m2_error = "_char_m2_error"
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_LB_char_m3_error = "_char_m3_error"
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)
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const (
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_LB_skip_one = "_skip_one"
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_LB_skip_key_value = "_skip_key_value"
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)
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var (
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_AX = jit.Reg("AX")
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_BX = jit.Reg("BX")
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_CX = jit.Reg("CX")
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_DX = jit.Reg("DX")
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_DI = jit.Reg("DI")
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_SI = jit.Reg("SI")
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_BP = jit.Reg("BP")
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_SP = jit.Reg("SP")
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_R8 = jit.Reg("R8")
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_R9 = jit.Reg("R9")
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_X0 = jit.Reg("X0")
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_X1 = jit.Reg("X1")
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)
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var (
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_IP = jit.Reg("R10") // saved on BP when callc
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_IC = jit.Reg("R11") // saved on BX when call_c
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_IL = jit.Reg("R12")
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_ST = jit.Reg("R13")
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_VP = jit.Reg("R15")
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)
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var (
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_DF = jit.Reg("AX") // reuse AX in generic decoder for flags
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_ET = jit.Reg("AX")
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_EP = jit.Reg("BX")
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)
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var (
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_ARG_s = _ARG_sp
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_ARG_sp = jit.Ptr(_SP, _FP_base + 0)
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_ARG_sl = jit.Ptr(_SP, _FP_base + 8)
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_ARG_ic = jit.Ptr(_SP, _FP_base + 16)
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_ARG_vp = jit.Ptr(_SP, _FP_base + 24)
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_ARG_sb = jit.Ptr(_SP, _FP_base + 32)
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_ARG_fv = jit.Ptr(_SP, _FP_base + 40)
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)
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var (
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_ARG_sv = _ARG_sv_p
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_ARG_sv_p = jit.Ptr(_SP, _FP_base + 48)
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_ARG_sv_n = jit.Ptr(_SP, _FP_base + 56)
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_ARG_vk = jit.Ptr(_SP, _FP_base + 64)
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)
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var (
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_VAR_st = _VAR_st_Vt
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_VAR_sr = jit.Ptr(_SP, _FP_fargs + _FP_saves)
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)
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var (
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_VAR_st_Vt = jit.Ptr(_SP, _FP_fargs + _FP_saves + 0)
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_VAR_st_Dv = jit.Ptr(_SP, _FP_fargs + _FP_saves + 8)
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_VAR_st_Iv = jit.Ptr(_SP, _FP_fargs + _FP_saves + 16)
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_VAR_st_Ep = jit.Ptr(_SP, _FP_fargs + _FP_saves + 24)
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_VAR_st_Db = jit.Ptr(_SP, _FP_fargs + _FP_saves + 32)
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_VAR_st_Dc = jit.Ptr(_SP, _FP_fargs + _FP_saves + 40)
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)
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var (
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_VAR_ss_AX = jit.Ptr(_SP, _FP_fargs + _FP_saves + 48)
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_VAR_ss_CX = jit.Ptr(_SP, _FP_fargs + _FP_saves + 56)
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_VAR_ss_SI = jit.Ptr(_SP, _FP_fargs + _FP_saves + 64)
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_VAR_ss_R8 = jit.Ptr(_SP, _FP_fargs + _FP_saves + 72)
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_VAR_ss_R9 = jit.Ptr(_SP, _FP_fargs + _FP_saves + 80)
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)
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var (
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_VAR_bs_p = jit.Ptr(_SP, _FP_fargs + _FP_saves + 88)
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_VAR_bs_n = jit.Ptr(_SP, _FP_fargs + _FP_saves + 96)
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_VAR_bs_LR = jit.Ptr(_SP, _FP_fargs + _FP_saves + 104)
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)
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var _VAR_fl = jit.Ptr(_SP, _FP_fargs + _FP_saves + 112)
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var (
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_VAR_et = jit.Ptr(_SP, _FP_fargs + _FP_saves + 120) // save dismatched type
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_VAR_pc = jit.Ptr(_SP, _FP_fargs + _FP_saves + 128) // save skip return pc
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_VAR_ic = jit.Ptr(_SP, _FP_fargs + _FP_saves + 136) // save dismatched position
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)
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type _Assembler struct {
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jit.BaseAssembler
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p _Program
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name string
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}
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func newAssembler(p _Program) *_Assembler {
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return new(_Assembler).Init(p)
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}
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/** Assembler Interface **/
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func (self *_Assembler) Load() _Decoder {
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return ptodec(self.BaseAssembler.Load("decode_"+self.name, _FP_size, _FP_args, argPtrs, localPtrs))
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}
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func (self *_Assembler) Init(p _Program) *_Assembler {
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self.p = p
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self.BaseAssembler.Init(self.compile)
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return self
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}
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func (self *_Assembler) compile() {
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self.prologue()
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self.instrs()
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self.epilogue()
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self.copy_string()
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self.escape_string()
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self.escape_string_twice()
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self.skip_one()
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self.skip_key_value()
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self.type_error()
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self.mismatch_error()
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self.field_error()
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self.range_error()
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self.stack_error()
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self.base64_error()
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self.parsing_error()
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}
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/** Assembler Stages **/
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var _OpFuncTab = [256]func(*_Assembler, *_Instr) {
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_OP_any : (*_Assembler)._asm_OP_any,
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_OP_dyn : (*_Assembler)._asm_OP_dyn,
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_OP_str : (*_Assembler)._asm_OP_str,
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_OP_bin : (*_Assembler)._asm_OP_bin,
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_OP_bool : (*_Assembler)._asm_OP_bool,
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_OP_num : (*_Assembler)._asm_OP_num,
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_OP_i8 : (*_Assembler)._asm_OP_i8,
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_OP_i16 : (*_Assembler)._asm_OP_i16,
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_OP_i32 : (*_Assembler)._asm_OP_i32,
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_OP_i64 : (*_Assembler)._asm_OP_i64,
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_OP_u8 : (*_Assembler)._asm_OP_u8,
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_OP_u16 : (*_Assembler)._asm_OP_u16,
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_OP_u32 : (*_Assembler)._asm_OP_u32,
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_OP_u64 : (*_Assembler)._asm_OP_u64,
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_OP_f32 : (*_Assembler)._asm_OP_f32,
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_OP_f64 : (*_Assembler)._asm_OP_f64,
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_OP_unquote : (*_Assembler)._asm_OP_unquote,
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_OP_nil_1 : (*_Assembler)._asm_OP_nil_1,
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_OP_nil_2 : (*_Assembler)._asm_OP_nil_2,
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_OP_nil_3 : (*_Assembler)._asm_OP_nil_3,
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_OP_deref : (*_Assembler)._asm_OP_deref,
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_OP_index : (*_Assembler)._asm_OP_index,
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_OP_is_null : (*_Assembler)._asm_OP_is_null,
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_OP_is_null_quote : (*_Assembler)._asm_OP_is_null_quote,
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_OP_map_init : (*_Assembler)._asm_OP_map_init,
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_OP_map_key_i8 : (*_Assembler)._asm_OP_map_key_i8,
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_OP_map_key_i16 : (*_Assembler)._asm_OP_map_key_i16,
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_OP_map_key_i32 : (*_Assembler)._asm_OP_map_key_i32,
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_OP_map_key_i64 : (*_Assembler)._asm_OP_map_key_i64,
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_OP_map_key_u8 : (*_Assembler)._asm_OP_map_key_u8,
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_OP_map_key_u16 : (*_Assembler)._asm_OP_map_key_u16,
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_OP_map_key_u32 : (*_Assembler)._asm_OP_map_key_u32,
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_OP_map_key_u64 : (*_Assembler)._asm_OP_map_key_u64,
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_OP_map_key_f32 : (*_Assembler)._asm_OP_map_key_f32,
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_OP_map_key_f64 : (*_Assembler)._asm_OP_map_key_f64,
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_OP_map_key_str : (*_Assembler)._asm_OP_map_key_str,
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_OP_map_key_utext : (*_Assembler)._asm_OP_map_key_utext,
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_OP_map_key_utext_p : (*_Assembler)._asm_OP_map_key_utext_p,
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_OP_array_skip : (*_Assembler)._asm_OP_array_skip,
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_OP_array_clear : (*_Assembler)._asm_OP_array_clear,
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_OP_array_clear_p : (*_Assembler)._asm_OP_array_clear_p,
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_OP_slice_init : (*_Assembler)._asm_OP_slice_init,
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_OP_slice_append : (*_Assembler)._asm_OP_slice_append,
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_OP_object_skip : (*_Assembler)._asm_OP_object_skip,
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_OP_object_next : (*_Assembler)._asm_OP_object_next,
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_OP_struct_field : (*_Assembler)._asm_OP_struct_field,
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_OP_unmarshal : (*_Assembler)._asm_OP_unmarshal,
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_OP_unmarshal_p : (*_Assembler)._asm_OP_unmarshal_p,
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_OP_unmarshal_text : (*_Assembler)._asm_OP_unmarshal_text,
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_OP_unmarshal_text_p : (*_Assembler)._asm_OP_unmarshal_text_p,
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_OP_lspace : (*_Assembler)._asm_OP_lspace,
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_OP_match_char : (*_Assembler)._asm_OP_match_char,
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_OP_check_char : (*_Assembler)._asm_OP_check_char,
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_OP_load : (*_Assembler)._asm_OP_load,
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_OP_save : (*_Assembler)._asm_OP_save,
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_OP_drop : (*_Assembler)._asm_OP_drop,
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_OP_drop_2 : (*_Assembler)._asm_OP_drop_2,
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_OP_recurse : (*_Assembler)._asm_OP_recurse,
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_OP_goto : (*_Assembler)._asm_OP_goto,
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_OP_switch : (*_Assembler)._asm_OP_switch,
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_OP_check_char_0 : (*_Assembler)._asm_OP_check_char_0,
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_OP_dismatch_err : (*_Assembler)._asm_OP_dismatch_err,
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_OP_go_skip : (*_Assembler)._asm_OP_go_skip,
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_OP_add : (*_Assembler)._asm_OP_add,
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_OP_debug : (*_Assembler)._asm_OP_debug,
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}
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func (self *_Assembler) _asm_OP_debug(_ *_Instr) {
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self.Byte(0xcc)
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}
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func (self *_Assembler) instr(v *_Instr) {
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if fn := _OpFuncTab[v.op()]; fn != nil {
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fn(self, v)
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} else {
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panic(fmt.Sprintf("invalid opcode: %d", v.op()))
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}
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}
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func (self *_Assembler) instrs() {
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for i, v := range self.p {
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self.Mark(i)
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self.instr(&v)
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self.debug_instr(i, &v)
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}
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}
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func (self *_Assembler) epilogue() {
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self.Mark(len(self.p))
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self.Emit("XORL", _EP, _EP) // XORL EP, EP
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self.Emit("MOVQ", _VAR_et, _ET) // MOVQ VAR_et, ET
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self.Emit("TESTQ", _ET, _ET) // TESTQ ET, ET
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self.Sjmp("JNZ", _LB_mismatch_error) // JNZ _LB_mismatch_error
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self.Link(_LB_error) // _error:
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self.Emit("MOVQ", _EP, _CX) // MOVQ BX, CX
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self.Emit("MOVQ", _ET, _BX) // MOVQ AX, BX
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||
self.Emit("MOVQ", _IC, _AX) // MOVQ IC, AX
|
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self.Emit("MOVQ", jit.Imm(0), _ARG_sp) // MOVQ $0, sv.p<>+48(FP)
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||
self.Emit("MOVQ", jit.Imm(0), _ARG_vp) // MOVQ $0, sv.p<>+48(FP)
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||
self.Emit("MOVQ", jit.Imm(0), _ARG_sv_p) // MOVQ $0, sv.p<>+48(FP)
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self.Emit("MOVQ", jit.Imm(0), _ARG_vk) // MOVQ $0, vk<>+64(FP)
|
||
self.Emit("MOVQ", jit.Ptr(_SP, _FP_offs), _BP) // MOVQ _FP_offs(SP), BP
|
||
self.Emit("ADDQ", jit.Imm(_FP_size), _SP) // ADDQ $_FP_size, SP
|
||
self.Emit("RET") // RET
|
||
}
|
||
|
||
func (self *_Assembler) prologue() {
|
||
self.Emit("SUBQ", jit.Imm(_FP_size), _SP) // SUBQ $_FP_size, SP
|
||
self.Emit("MOVQ", _BP, jit.Ptr(_SP, _FP_offs)) // MOVQ BP, _FP_offs(SP)
|
||
self.Emit("LEAQ", jit.Ptr(_SP, _FP_offs), _BP) // LEAQ _FP_offs(SP), BP
|
||
self.Emit("MOVQ", _AX, _ARG_sp) // MOVQ AX, s.p<>+0(FP)
|
||
self.Emit("MOVQ", _AX, _IP) // MOVQ AX, IP
|
||
self.Emit("MOVQ", _BX, _ARG_sl) // MOVQ BX, s.l<>+8(FP)
|
||
self.Emit("MOVQ", _BX, _IL) // MOVQ BX, IL
|
||
self.Emit("MOVQ", _CX, _ARG_ic) // MOVQ CX, ic<>+16(FP)
|
||
self.Emit("MOVQ", _CX, _IC) // MOVQ CX, IC
|
||
self.Emit("MOVQ", _DI, _ARG_vp) // MOVQ DI, vp<>+24(FP)
|
||
self.Emit("MOVQ", _DI, _VP) // MOVQ DI, VP
|
||
self.Emit("MOVQ", _SI, _ARG_sb) // MOVQ SI, sb<>+32(FP)
|
||
self.Emit("MOVQ", _SI, _ST) // MOVQ SI, ST
|
||
self.Emit("MOVQ", _R8, _ARG_fv) // MOVQ R8, fv<>+40(FP)
|
||
self.Emit("MOVQ", jit.Imm(0), _ARG_sv_p) // MOVQ $0, sv.p<>+48(FP)
|
||
self.Emit("MOVQ", jit.Imm(0), _ARG_sv_n) // MOVQ $0, sv.n<>+56(FP)
|
||
self.Emit("MOVQ", jit.Imm(0), _ARG_vk) // MOVQ $0, vk<>+64(FP)
|
||
self.Emit("MOVQ", jit.Imm(0), _VAR_et) // MOVQ $0, et<>+120(FP)
|
||
// initialize digital buffer first
|
||
self.Emit("MOVQ", jit.Imm(_MaxDigitNums), _VAR_st_Dc) // MOVQ $_MaxDigitNums, ss.Dcap
|
||
self.Emit("LEAQ", jit.Ptr(_ST, _DbufOffset), _AX) // LEAQ _DbufOffset(ST), AX
|
||
self.Emit("MOVQ", _AX, _VAR_st_Db) // MOVQ AX, ss.Dbuf
|
||
}
|
||
|
||
/** Function Calling Helpers **/
|
||
|
||
var (
|
||
_REG_go = []obj.Addr { _ST, _VP, _IP, _IL, _IC }
|
||
_REG_rt = []obj.Addr { _ST, _VP, _IP, _IL, _IC, _IL }
|
||
)
|
||
|
||
func (self *_Assembler) save(r ...obj.Addr) {
|
||
for i, v := range r {
|
||
if i > _FP_saves / 8 - 1 {
|
||
panic("too many registers to save")
|
||
} else {
|
||
self.Emit("MOVQ", v, jit.Ptr(_SP, _FP_fargs + int64(i) * 8))
|
||
}
|
||
}
|
||
}
|
||
|
||
func (self *_Assembler) load(r ...obj.Addr) {
|
||
for i, v := range r {
|
||
if i > _FP_saves / 8 - 1 {
|
||
panic("too many registers to load")
|
||
} else {
|
||
self.Emit("MOVQ", jit.Ptr(_SP, _FP_fargs + int64(i) * 8), v)
|
||
}
|
||
}
|
||
}
|
||
|
||
func (self *_Assembler) call(fn obj.Addr) {
|
||
self.Emit("MOVQ", fn, _R9) // MOVQ ${fn}, R11
|
||
self.Rjmp("CALL", _R9) // CALL R11
|
||
}
|
||
|
||
func (self *_Assembler) call_go(fn obj.Addr) {
|
||
self.save(_REG_go...) // SAVE $REG_go
|
||
self.call(fn)
|
||
self.load(_REG_go...) // LOAD $REG_go
|
||
}
|
||
|
||
func (self *_Assembler) callc(fn obj.Addr) {
|
||
self.Emit("XCHGQ", _IP, _BP)
|
||
self.call(fn)
|
||
self.Emit("XCHGQ", _IP, _BP)
|
||
}
|
||
|
||
func (self *_Assembler) call_c(fn obj.Addr) {
|
||
self.Emit("XCHGQ", _IC, _BX)
|
||
self.callc(fn)
|
||
self.Emit("XCHGQ", _IC, _BX)
|
||
}
|
||
|
||
func (self *_Assembler) call_sf(fn obj.Addr) {
|
||
self.Emit("LEAQ", _ARG_s, _DI) // LEAQ s<>+0(FP), DI
|
||
self.Emit("MOVQ", _IC, _ARG_ic) // MOVQ IC, ic<>+16(FP)
|
||
self.Emit("LEAQ", _ARG_ic, _SI) // LEAQ ic<>+16(FP), SI
|
||
self.Emit("LEAQ", jit.Ptr(_ST, _FsmOffset), _DX) // LEAQ _FsmOffset(ST), DX
|
||
self.Emit("MOVQ", _ARG_fv, _CX)
|
||
self.callc(fn)
|
||
self.Emit("MOVQ", _ARG_ic, _IC) // MOVQ ic<>+16(FP), IC
|
||
}
|
||
|
||
func (self *_Assembler) call_vf(fn obj.Addr) {
|
||
self.Emit("LEAQ", _ARG_s, _DI) // LEAQ s<>+0(FP), DI
|
||
self.Emit("MOVQ", _IC, _ARG_ic) // MOVQ IC, ic<>+16(FP)
|
||
self.Emit("LEAQ", _ARG_ic, _SI) // LEAQ ic<>+16(FP), SI
|
||
self.Emit("LEAQ", _VAR_st, _DX) // LEAQ st, DX
|
||
self.callc(fn)
|
||
self.Emit("MOVQ", _ARG_ic, _IC) // MOVQ ic<>+16(FP), IC
|
||
}
|
||
|
||
/** Assembler Error Handlers **/
|
||
|
||
var (
|
||
_F_convT64 = jit.Func(convT64)
|
||
_F_error_wrap = jit.Func(error_wrap)
|
||
_F_error_type = jit.Func(error_type)
|
||
_F_error_field = jit.Func(error_field)
|
||
_F_error_value = jit.Func(error_value)
|
||
_F_error_mismatch = jit.Func(error_mismatch)
|
||
)
|
||
|
||
var (
|
||
_I_int8 , _T_int8 = rtype(reflect.TypeOf(int8(0)))
|
||
_I_int16 , _T_int16 = rtype(reflect.TypeOf(int16(0)))
|
||
_I_int32 , _T_int32 = rtype(reflect.TypeOf(int32(0)))
|
||
_I_uint8 , _T_uint8 = rtype(reflect.TypeOf(uint8(0)))
|
||
_I_uint16 , _T_uint16 = rtype(reflect.TypeOf(uint16(0)))
|
||
_I_uint32 , _T_uint32 = rtype(reflect.TypeOf(uint32(0)))
|
||
_I_float32 , _T_float32 = rtype(reflect.TypeOf(float32(0)))
|
||
)
|
||
|
||
var (
|
||
_T_error = rt.UnpackType(errorType)
|
||
_I_base64_CorruptInputError = jit.Itab(_T_error, base64CorruptInputError)
|
||
)
|
||
|
||
var (
|
||
_V_stackOverflow = jit.Imm(int64(uintptr(unsafe.Pointer(&stackOverflow))))
|
||
_I_json_UnsupportedValueError = jit.Itab(_T_error, reflect.TypeOf(new(json.UnsupportedValueError)))
|
||
)
|
||
|
||
func (self *_Assembler) type_error() {
|
||
self.Link(_LB_type_error) // _type_error:
|
||
self.call_go(_F_error_type) // CALL_GO error_type
|
||
self.Sjmp("JMP" , _LB_error) // JMP _error
|
||
}
|
||
|
||
func (self *_Assembler) mismatch_error() {
|
||
self.Link(_LB_mismatch_error) // _type_error:
|
||
self.Emit("MOVQ", _ARG_sp, _AX)
|
||
self.Emit("MOVQ", _ARG_sl, _BX)
|
||
self.Emit("MOVQ", _VAR_ic, _CX)
|
||
self.Emit("MOVQ", _VAR_et, _DI)
|
||
self.call_go(_F_error_mismatch) // CALL_GO error_type
|
||
self.Sjmp("JMP" , _LB_error) // JMP _error
|
||
}
|
||
|
||
func (self *_Assembler) field_error() {
|
||
self.Link(_LB_field_error) // _field_error:
|
||
self.Emit("MOVQ", _ARG_sv_p, _AX) // MOVQ sv.p, AX
|
||
self.Emit("MOVQ", _ARG_sv_n, _BX) // MOVQ sv.n, BX
|
||
self.call_go(_F_error_field) // CALL_GO error_field
|
||
self.Sjmp("JMP" , _LB_error) // JMP _error
|
||
}
|
||
|
||
func (self *_Assembler) range_error() {
|
||
self.Link(_LB_range_error) // _range_error:
|
||
self.Emit("MOVQ", _ET, _CX) // MOVQ ET, CX
|
||
self.slice_from(_VAR_st_Ep, 0) // SLICE st.Ep, $0
|
||
self.Emit("MOVQ", _DI, _AX) // MOVQ DI, AX
|
||
self.Emit("MOVQ", _EP, _DI) // MOVQ EP, DI
|
||
self.Emit("MOVQ", _SI, _BX) // MOVQ SI, BX
|
||
self.call_go(_F_error_value) // CALL_GO error_value
|
||
self.Sjmp("JMP" , _LB_error) // JMP _error
|
||
}
|
||
|
||
func (self *_Assembler) stack_error() {
|
||
self.Link(_LB_stack_error) // _stack_error:
|
||
self.Emit("MOVQ", _V_stackOverflow, _EP) // MOVQ ${_V_stackOverflow}, EP
|
||
self.Emit("MOVQ", _I_json_UnsupportedValueError, _ET) // MOVQ ${_I_json_UnsupportedValueError}, ET
|
||
self.Sjmp("JMP" , _LB_error) // JMP _error
|
||
}
|
||
|
||
func (self *_Assembler) base64_error() {
|
||
self.Link(_LB_base64_error)
|
||
self.Emit("NEGQ", _AX) // NEGQ AX
|
||
self.Emit("SUBQ", jit.Imm(1), _AX) // SUBQ $1, AX
|
||
self.call_go(_F_convT64) // CALL_GO convT64
|
||
self.Emit("MOVQ", _AX, _EP) // MOVQ AX, EP
|
||
self.Emit("MOVQ", _I_base64_CorruptInputError, _ET) // MOVQ ${itab(base64.CorruptInputError)}, ET
|
||
self.Sjmp("JMP" , _LB_error) // JMP _error
|
||
}
|
||
|
||
func (self *_Assembler) parsing_error() {
|
||
self.Link(_LB_eof_error) // _eof_error:
|
||
self.Emit("MOVQ" , _IL, _IC) // MOVQ IL, IC
|
||
self.Emit("MOVL" , jit.Imm(int64(types.ERR_EOF)), _EP) // MOVL ${types.ERR_EOF}, EP
|
||
self.Sjmp("JMP" , _LB_parsing_error) // JMP _parsing_error
|
||
self.Link(_LB_unquote_error) // _unquote_error:
|
||
self.Emit("SUBQ" , _VAR_sr, _SI) // SUBQ sr, SI
|
||
self.Emit("SUBQ" , _SI, _IC) // SUBQ IL, IC
|
||
self.Link(_LB_parsing_error_v) // _parsing_error_v:
|
||
self.Emit("MOVQ" , _AX, _EP) // MOVQ AX, EP
|
||
self.Emit("NEGQ" , _EP) // NEGQ EP
|
||
self.Sjmp("JMP" , _LB_parsing_error) // JMP _parsing_error
|
||
self.Link(_LB_char_m3_error) // _char_m3_error:
|
||
self.Emit("SUBQ" , jit.Imm(1), _IC) // SUBQ $1, IC
|
||
self.Link(_LB_char_m2_error) // _char_m2_error:
|
||
self.Emit("SUBQ" , jit.Imm(2), _IC) // SUBQ $2, IC
|
||
self.Sjmp("JMP" , _LB_char_0_error) // JMP _char_0_error
|
||
self.Link(_LB_im_error) // _im_error:
|
||
self.Emit("CMPB" , _CX, jit.Sib(_IP, _IC, 1, 0)) // CMPB CX, (IP)(IC)
|
||
self.Sjmp("JNE" , _LB_char_0_error) // JNE _char_0_error
|
||
self.Emit("SHRL" , jit.Imm(8), _CX) // SHRL $8, CX
|
||
self.Emit("CMPB" , _CX, jit.Sib(_IP, _IC, 1, 1)) // CMPB CX, 1(IP)(IC)
|
||
self.Sjmp("JNE" , _LB_char_1_error) // JNE _char_1_error
|
||
self.Emit("SHRL" , jit.Imm(8), _CX) // SHRL $8, CX
|
||
self.Emit("CMPB" , _CX, jit.Sib(_IP, _IC, 1, 2)) // CMPB CX, 2(IP)(IC)
|
||
self.Sjmp("JNE" , _LB_char_2_error) // JNE _char_2_error
|
||
self.Sjmp("JMP" , _LB_char_3_error) // JNE _char_3_error
|
||
self.Link(_LB_char_4_error) // _char_4_error:
|
||
self.Emit("ADDQ" , jit.Imm(1), _IC) // ADDQ $1, IC
|
||
self.Link(_LB_char_3_error) // _char_3_error:
|
||
self.Emit("ADDQ" , jit.Imm(1), _IC) // ADDQ $1, IC
|
||
self.Link(_LB_char_2_error) // _char_2_error:
|
||
self.Emit("ADDQ" , jit.Imm(1), _IC) // ADDQ $1, IC
|
||
self.Link(_LB_char_1_error) // _char_1_error:
|
||
self.Emit("ADDQ" , jit.Imm(1), _IC) // ADDQ $1, IC
|
||
self.Link(_LB_char_0_error) // _char_0_error:
|
||
self.Emit("MOVL" , jit.Imm(int64(types.ERR_INVALID_CHAR)), _EP) // MOVL ${types.ERR_INVALID_CHAR}, EP
|
||
self.Link(_LB_parsing_error) // _parsing_error:
|
||
self.Emit("MOVQ" , _EP, _DI) // MOVQ EP, DI
|
||
self.Emit("MOVQ", _ARG_sp, _AX) // MOVQ sp, AX
|
||
self.Emit("MOVQ", _ARG_sl, _BX) // MOVQ sl, BX
|
||
self.Emit("MOVQ" , _IC, _CX) // MOVQ IC, CX
|
||
self.call_go(_F_error_wrap) // CALL_GO error_wrap
|
||
self.Sjmp("JMP" , _LB_error) // JMP _error
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_dismatch_err(p *_Instr) {
|
||
self.Emit("MOVQ", _IC, _VAR_ic)
|
||
self.Emit("MOVQ", jit.Type(p.vt()), _ET)
|
||
self.Emit("MOVQ", _ET, _VAR_et)
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_go_skip(p *_Instr) {
|
||
self.Byte(0x4c, 0x8d, 0x0d) // LEAQ (PC), R9
|
||
self.Xref(p.vi(), 4)
|
||
// self.Byte(0xcc)
|
||
self.Emit("MOVQ", _R9, _VAR_pc)
|
||
self.Sjmp("JMP" , _LB_skip_one) // JMP _skip_one
|
||
}
|
||
|
||
func (self *_Assembler) skip_one() {
|
||
self.Link(_LB_skip_one) // _skip:
|
||
self.Emit("MOVQ", _VAR_ic, _IC) // MOVQ _VAR_ic, IC
|
||
self.call_sf(_F_skip_one) // CALL_SF skip_one
|
||
self.Emit("TESTQ", _AX, _AX) // TESTQ AX, AX
|
||
self.Sjmp("JS" , _LB_parsing_error_v) // JS _parse_error_v
|
||
self.Emit("MOVQ" , _VAR_pc, _R9) // MOVQ pc, R9
|
||
// self.Byte(0xcc)
|
||
self.Rjmp("JMP" , _R9) // JMP (R9)
|
||
}
|
||
|
||
func (self *_Assembler) skip_key_value() {
|
||
self.Link(_LB_skip_key_value) // _skip:
|
||
// skip the key
|
||
self.Emit("MOVQ", _VAR_ic, _IC) // MOVQ _VAR_ic, IC
|
||
self.call_sf(_F_skip_one) // CALL_SF skip_one
|
||
self.Emit("TESTQ", _AX, _AX) // TESTQ AX, AX
|
||
self.Sjmp("JS" , _LB_parsing_error_v) // JS _parse_error_v
|
||
// match char ':'
|
||
self.lspace("_global_1")
|
||
self.Emit("CMPB", jit.Sib(_IP, _IC, 1, 0), jit.Imm(':'))
|
||
self.Sjmp("JNE" , _LB_parsing_error_v) // JNE _parse_error_v
|
||
self.Emit("ADDQ", jit.Imm(1), _IC) // ADDQ $1, IC
|
||
self.lspace("_global_2")
|
||
// skip the value
|
||
self.call_sf(_F_skip_one) // CALL_SF skip_one
|
||
self.Emit("TESTQ", _AX, _AX) // TESTQ AX, AX
|
||
self.Sjmp("JS" , _LB_parsing_error_v) // JS _parse_error_v
|
||
// jump back to specified address
|
||
self.Emit("MOVQ" , _VAR_pc, _R9) // MOVQ pc, R9
|
||
self.Rjmp("JMP" , _R9) // JMP (R9)
|
||
}
|
||
|
||
|
||
/** Memory Management Routines **/
|
||
|
||
var (
|
||
_T_byte = jit.Type(byteType)
|
||
_F_mallocgc = jit.Func(mallocgc)
|
||
)
|
||
|
||
func (self *_Assembler) malloc_AX(nb obj.Addr, ret obj.Addr) {
|
||
self.Emit("MOVQ", nb, _AX) // MOVQ ${nb}, AX
|
||
self.Emit("MOVQ", _T_byte, _BX) // MOVQ ${type(byte)}, BX
|
||
self.Emit("XORL", _CX, _CX) // XORL CX, CX
|
||
self.call_go(_F_mallocgc) // CALL_GO mallocgc
|
||
self.Emit("MOVQ", _AX, ret) // MOVQ AX, ${ret}
|
||
}
|
||
|
||
func (self *_Assembler) valloc(vt reflect.Type, ret obj.Addr) {
|
||
self.Emit("MOVQ", jit.Imm(int64(vt.Size())), _AX) // MOVQ ${vt.Size()}, AX
|
||
self.Emit("MOVQ", jit.Type(vt), _BX) // MOVQ ${vt}, BX
|
||
self.Emit("MOVB", jit.Imm(1), _CX) // MOVB $1, CX
|
||
self.call_go(_F_mallocgc) // CALL_GO mallocgc
|
||
self.Emit("MOVQ", _AX, ret) // MOVQ AX, ${ret}
|
||
}
|
||
|
||
func (self *_Assembler) valloc_AX(vt reflect.Type) {
|
||
self.Emit("MOVQ", jit.Imm(int64(vt.Size())), _AX) // MOVQ ${vt.Size()}, AX
|
||
self.Emit("MOVQ", jit.Type(vt), _BX) // MOVQ ${vt}, BX
|
||
self.Emit("MOVB", jit.Imm(1), _CX) // MOVB $1, CX
|
||
self.call_go(_F_mallocgc) // CALL_GO mallocgc
|
||
}
|
||
|
||
func (self *_Assembler) vfollow(vt reflect.Type) {
|
||
self.Emit("MOVQ" , jit.Ptr(_VP, 0), _AX) // MOVQ (VP), AX
|
||
self.Emit("TESTQ", _AX, _AX) // TESTQ AX, AX
|
||
self.Sjmp("JNZ" , "_end_{n}") // JNZ _end_{n}
|
||
self.valloc_AX(vt) // VALLOC ${vt}, AX
|
||
self.WritePtrAX(1, jit.Ptr(_VP, 0), true) // MOVQ AX, (VP)
|
||
self.Link("_end_{n}") // _end_{n}:
|
||
self.Emit("MOVQ" , _AX, _VP) // MOVQ AX, VP
|
||
}
|
||
|
||
/** Value Parsing Routines **/
|
||
|
||
var (
|
||
_F_vstring = jit.Imm(int64(native.S_vstring))
|
||
_F_vnumber = jit.Imm(int64(native.S_vnumber))
|
||
_F_vsigned = jit.Imm(int64(native.S_vsigned))
|
||
_F_vunsigned = jit.Imm(int64(native.S_vunsigned))
|
||
)
|
||
|
||
func (self *_Assembler) check_err(vt reflect.Type, pin string, pin2 int) {
|
||
self.Emit("MOVQ" , _VAR_st_Vt, _AX) // MOVQ st.Vt, AX
|
||
self.Emit("TESTQ", _AX, _AX) // CMPQ AX, ${native.V_STRING}
|
||
// try to skip the value
|
||
if vt != nil {
|
||
self.Sjmp("JNS" , "_check_err_{n}") // JNE _parsing_error_v
|
||
self.Emit("MOVQ", jit.Type(vt), _ET)
|
||
self.Emit("MOVQ", _ET, _VAR_et)
|
||
if pin2 != -1 {
|
||
self.Emit("SUBQ", jit.Imm(1), _BX)
|
||
self.Emit("MOVQ", _BX, _VAR_ic)
|
||
self.Byte(0x4c , 0x8d, 0x0d) // LEAQ (PC), R9
|
||
self.Xref(pin2, 4)
|
||
self.Emit("MOVQ", _R9, _VAR_pc)
|
||
self.Sjmp("JMP" , _LB_skip_key_value)
|
||
} else {
|
||
self.Emit("MOVQ", _BX, _VAR_ic)
|
||
self.Byte(0x4c , 0x8d, 0x0d) // LEAQ (PC), R9
|
||
self.Sref(pin, 4)
|
||
self.Emit("MOVQ", _R9, _VAR_pc)
|
||
self.Sjmp("JMP" , _LB_skip_one)
|
||
}
|
||
self.Link("_check_err_{n}")
|
||
} else {
|
||
self.Sjmp("JS" , _LB_parsing_error_v) // JNE _parsing_error_v
|
||
}
|
||
}
|
||
|
||
func (self *_Assembler) check_eof(d int64) {
|
||
if d == 1 {
|
||
self.Emit("CMPQ", _IC, _IL) // CMPQ IC, IL
|
||
self.Sjmp("JAE" , _LB_eof_error) // JAE _eof_error
|
||
} else {
|
||
self.Emit("LEAQ", jit.Ptr(_IC, d), _AX) // LEAQ ${d}(IC), AX
|
||
self.Emit("CMPQ", _AX, _IL) // CMPQ AX, IL
|
||
self.Sjmp("JA" , _LB_eof_error) // JA _eof_error
|
||
}
|
||
}
|
||
|
||
|
||
func (self *_Assembler) parse_string() {
|
||
self.Emit("MOVQ", _ARG_fv, _CX)
|
||
self.call_vf(_F_vstring)
|
||
self.check_err(nil, "", -1)
|
||
}
|
||
|
||
func (self *_Assembler) parse_number(vt reflect.Type, pin string, pin2 int) {
|
||
self.Emit("MOVQ", _IC, _BX) // save ic when call native func
|
||
self.call_vf(_F_vnumber)
|
||
self.check_err(vt, pin, pin2)
|
||
}
|
||
|
||
func (self *_Assembler) parse_signed(vt reflect.Type, pin string, pin2 int) {
|
||
self.Emit("MOVQ", _IC, _BX) // save ic when call native func
|
||
self.call_vf(_F_vsigned)
|
||
self.check_err(vt, pin, pin2)
|
||
}
|
||
|
||
func (self *_Assembler) parse_unsigned(vt reflect.Type, pin string, pin2 int) {
|
||
self.Emit("MOVQ", _IC, _BX) // save ic when call native func
|
||
self.call_vf(_F_vunsigned)
|
||
self.check_err(vt, pin, pin2)
|
||
}
|
||
|
||
// Pointer: DI, Size: SI, Return: R9
|
||
func (self *_Assembler) copy_string() {
|
||
self.Link("_copy_string")
|
||
self.Emit("MOVQ", _DI, _VAR_bs_p)
|
||
self.Emit("MOVQ", _SI, _VAR_bs_n)
|
||
self.Emit("MOVQ", _R9, _VAR_bs_LR)
|
||
self.malloc_AX(_SI, _ARG_sv_p)
|
||
self.Emit("MOVQ", _VAR_bs_p, _BX)
|
||
self.Emit("MOVQ", _VAR_bs_n, _CX)
|
||
self.call_go(_F_memmove)
|
||
self.Emit("MOVQ", _ARG_sv_p, _DI)
|
||
self.Emit("MOVQ", _VAR_bs_n, _SI)
|
||
self.Emit("MOVQ", _VAR_bs_LR, _R9)
|
||
self.Rjmp("JMP", _R9)
|
||
}
|
||
|
||
// Pointer: DI, Size: SI, Return: R9
|
||
func (self *_Assembler) escape_string() {
|
||
self.Link("_escape_string")
|
||
self.Emit("MOVQ" , _DI, _VAR_bs_p)
|
||
self.Emit("MOVQ" , _SI, _VAR_bs_n)
|
||
self.Emit("MOVQ" , _R9, _VAR_bs_LR)
|
||
self.malloc_AX(_SI, _DX) // MALLOC SI, DX
|
||
self.Emit("MOVQ" , _DX, _ARG_sv_p)
|
||
self.Emit("MOVQ" , _VAR_bs_p, _DI)
|
||
self.Emit("MOVQ" , _VAR_bs_n, _SI)
|
||
self.Emit("LEAQ" , _VAR_sr, _CX) // LEAQ sr, CX
|
||
self.Emit("XORL" , _R8, _R8) // XORL R8, R8
|
||
self.Emit("BTQ" , jit.Imm(_F_disable_urc), _ARG_fv) // BTQ ${_F_disable_urc}, fv
|
||
self.Emit("SETCC", _R8) // SETCC R8
|
||
self.Emit("SHLQ" , jit.Imm(types.B_UNICODE_REPLACE), _R8) // SHLQ ${types.B_UNICODE_REPLACE}, R8
|
||
self.call_c(_F_unquote) // CALL unquote
|
||
self.Emit("MOVQ" , _VAR_bs_n, _SI) // MOVQ ${n}, SI
|
||
self.Emit("ADDQ" , jit.Imm(1), _SI) // ADDQ $1, SI
|
||
self.Emit("TESTQ", _AX, _AX) // TESTQ AX, AX
|
||
self.Sjmp("JS" , _LB_unquote_error) // JS _unquote_error
|
||
self.Emit("MOVQ" , _AX, _SI)
|
||
self.Emit("MOVQ" , _ARG_sv_p, _DI)
|
||
self.Emit("MOVQ" , _VAR_bs_LR, _R9)
|
||
self.Rjmp("JMP", _R9)
|
||
}
|
||
|
||
func (self *_Assembler) escape_string_twice() {
|
||
self.Link("_escape_string_twice")
|
||
self.Emit("MOVQ" , _DI, _VAR_bs_p)
|
||
self.Emit("MOVQ" , _SI, _VAR_bs_n)
|
||
self.Emit("MOVQ" , _R9, _VAR_bs_LR)
|
||
self.malloc_AX(_SI, _DX) // MALLOC SI, DX
|
||
self.Emit("MOVQ" , _DX, _ARG_sv_p)
|
||
self.Emit("MOVQ" , _VAR_bs_p, _DI)
|
||
self.Emit("MOVQ" , _VAR_bs_n, _SI)
|
||
self.Emit("LEAQ" , _VAR_sr, _CX) // LEAQ sr, CX
|
||
self.Emit("MOVL" , jit.Imm(types.F_DOUBLE_UNQUOTE), _R8) // MOVL ${types.F_DOUBLE_UNQUOTE}, R8
|
||
self.Emit("BTQ" , jit.Imm(_F_disable_urc), _ARG_fv) // BTQ ${_F_disable_urc}, AX
|
||
self.Emit("XORL" , _AX, _AX) // XORL AX, AX
|
||
self.Emit("SETCC", _AX) // SETCC AX
|
||
self.Emit("SHLQ" , jit.Imm(types.B_UNICODE_REPLACE), _AX) // SHLQ ${types.B_UNICODE_REPLACE}, AX
|
||
self.Emit("ORQ" , _AX, _R8) // ORQ AX, R8
|
||
self.call_c(_F_unquote) // CALL unquote
|
||
self.Emit("MOVQ" , _VAR_bs_n, _SI) // MOVQ ${n}, SI
|
||
self.Emit("ADDQ" , jit.Imm(3), _SI) // ADDQ $3, SI
|
||
self.Emit("TESTQ", _AX, _AX) // TESTQ AX, AX
|
||
self.Sjmp("JS" , _LB_unquote_error) // JS _unquote_error
|
||
self.Emit("MOVQ" , _AX, _SI)
|
||
self.Emit("MOVQ" , _ARG_sv_p, _DI)
|
||
self.Emit("MOVQ" , _VAR_bs_LR, _R9)
|
||
self.Rjmp("JMP", _R9)
|
||
}
|
||
|
||
/** Range Checking Routines **/
|
||
|
||
var (
|
||
_V_max_f32 = jit.Imm(int64(uintptr(unsafe.Pointer(_Vp_max_f32))))
|
||
_V_min_f32 = jit.Imm(int64(uintptr(unsafe.Pointer(_Vp_min_f32))))
|
||
)
|
||
|
||
var (
|
||
_Vp_max_f32 = new(float64)
|
||
_Vp_min_f32 = new(float64)
|
||
)
|
||
|
||
func init() {
|
||
*_Vp_max_f32 = math.MaxFloat32
|
||
*_Vp_min_f32 = -math.MaxFloat32
|
||
}
|
||
|
||
func (self *_Assembler) range_single_X0() {
|
||
self.Emit("MOVSD" , _VAR_st_Dv, _X0) // MOVSD st.Dv, X0
|
||
self.Emit("MOVQ" , _V_max_f32, _CX) // MOVQ _max_f32, CX
|
||
self.Emit("MOVQ" , jit.Gitab(_I_float32), _ET) // MOVQ ${itab(float32)}, ET
|
||
self.Emit("MOVQ" , jit.Gtype(_T_float32), _EP) // MOVQ ${type(float32)}, EP
|
||
self.Emit("UCOMISD" , jit.Ptr(_CX, 0), _X0) // UCOMISD (CX), X0
|
||
self.Sjmp("JA" , _LB_range_error) // JA _range_error
|
||
self.Emit("MOVQ" , _V_min_f32, _CX) // MOVQ _min_f32, CX
|
||
self.Emit("MOVSD" , jit.Ptr(_CX, 0), _X1) // MOVSD (CX), X1
|
||
self.Emit("UCOMISD" , _X0, _X1) // UCOMISD X0, X1
|
||
self.Sjmp("JA" , _LB_range_error) // JA _range_error
|
||
self.Emit("CVTSD2SS", _X0, _X0) // CVTSD2SS X0, X0
|
||
}
|
||
|
||
func (self *_Assembler) range_signed_CX(i *rt.GoItab, t *rt.GoType, a int64, b int64) {
|
||
self.Emit("MOVQ", _VAR_st_Iv, _CX) // MOVQ st.Iv, CX
|
||
self.Emit("MOVQ", jit.Gitab(i), _ET) // MOVQ ${i}, ET
|
||
self.Emit("MOVQ", jit.Gtype(t), _EP) // MOVQ ${t}, EP
|
||
self.Emit("CMPQ", _CX, jit.Imm(a)) // CMPQ CX, ${a}
|
||
self.Sjmp("JL" , _LB_range_error) // JL _range_error
|
||
self.Emit("CMPQ", _CX, jit.Imm(b)) // CMPQ CX, ${B}
|
||
self.Sjmp("JG" , _LB_range_error) // JG _range_error
|
||
}
|
||
|
||
func (self *_Assembler) range_unsigned_CX(i *rt.GoItab, t *rt.GoType, v uint64) {
|
||
self.Emit("MOVQ" , _VAR_st_Iv, _CX) // MOVQ st.Iv, CX
|
||
self.Emit("MOVQ" , jit.Gitab(i), _ET) // MOVQ ${i}, ET
|
||
self.Emit("MOVQ" , jit.Gtype(t), _EP) // MOVQ ${t}, EP
|
||
self.Emit("TESTQ", _CX, _CX) // TESTQ CX, CX
|
||
self.Sjmp("JS" , _LB_range_error) // JS _range_error
|
||
self.Emit("CMPQ" , _CX, jit.Imm(int64(v))) // CMPQ CX, ${a}
|
||
self.Sjmp("JA" , _LB_range_error) // JA _range_error
|
||
}
|
||
|
||
/** String Manipulating Routines **/
|
||
|
||
var (
|
||
_F_unquote = jit.Imm(int64(native.S_unquote))
|
||
)
|
||
|
||
func (self *_Assembler) slice_from(p obj.Addr, d int64) {
|
||
self.Emit("MOVQ", p, _SI) // MOVQ ${p}, SI
|
||
self.slice_from_r(_SI, d) // SLICE_R SI, ${d}
|
||
}
|
||
|
||
func (self *_Assembler) slice_from_r(p obj.Addr, d int64) {
|
||
self.Emit("LEAQ", jit.Sib(_IP, p, 1, 0), _DI) // LEAQ (IP)(${p}), DI
|
||
self.Emit("NEGQ", p) // NEGQ ${p}
|
||
self.Emit("LEAQ", jit.Sib(_IC, p, 1, d), _SI) // LEAQ d(IC)(${p}), SI
|
||
}
|
||
|
||
func (self *_Assembler) unquote_once(p obj.Addr, n obj.Addr, stack bool, copy bool) {
|
||
self.slice_from(_VAR_st_Iv, -1) // SLICE st.Iv, $-1
|
||
self.Emit("CMPQ", _VAR_st_Ep, jit.Imm(-1)) // CMPQ st.Ep, $-1
|
||
self.Sjmp("JE" , "_noescape_{n}") // JE _escape_{n}
|
||
self.Byte(0x4c, 0x8d, 0x0d) // LEAQ (PC), R9
|
||
self.Sref("_unquote_once_write_{n}", 4)
|
||
self.Sjmp("JMP" , "_escape_string")
|
||
self.Link("_noescape_{n}")
|
||
if copy {
|
||
self.Emit("BTQ" , jit.Imm(_F_copy_string), _ARG_fv)
|
||
self.Sjmp("JNC", "_unquote_once_write_{n}")
|
||
self.Byte(0x4c, 0x8d, 0x0d) // LEAQ (PC), R9
|
||
self.Sref("_unquote_once_write_{n}", 4)
|
||
self.Sjmp("JMP", "_copy_string")
|
||
}
|
||
self.Link("_unquote_once_write_{n}")
|
||
self.Emit("MOVQ", _SI, n) // MOVQ SI, ${n}
|
||
if stack {
|
||
self.Emit("MOVQ", _DI, p)
|
||
} else {
|
||
self.WriteRecNotAX(10, _DI, p, false, false)
|
||
}
|
||
}
|
||
|
||
func (self *_Assembler) unquote_twice(p obj.Addr, n obj.Addr, stack bool) {
|
||
self.Emit("CMPQ" , _VAR_st_Ep, jit.Imm(-1)) // CMPQ st.Ep, $-1
|
||
self.Sjmp("JE" , _LB_eof_error) // JE _eof_error
|
||
self.Emit("CMPB" , jit.Sib(_IP, _IC, 1, -3), jit.Imm('\\')) // CMPB -3(IP)(IC), $'\\'
|
||
self.Sjmp("JNE" , _LB_char_m3_error) // JNE _char_m3_error
|
||
self.Emit("CMPB" , jit.Sib(_IP, _IC, 1, -2), jit.Imm('"')) // CMPB -2(IP)(IC), $'"'
|
||
self.Sjmp("JNE" , _LB_char_m2_error) // JNE _char_m2_error
|
||
self.slice_from(_VAR_st_Iv, -3) // SLICE st.Iv, $-3
|
||
self.Emit("MOVQ" , _SI, _AX) // MOVQ SI, AX
|
||
self.Emit("ADDQ" , _VAR_st_Iv, _AX) // ADDQ st.Iv, AX
|
||
self.Emit("CMPQ" , _VAR_st_Ep, _AX) // CMPQ st.Ep, AX
|
||
self.Sjmp("JE" , "_noescape_{n}") // JE _noescape_{n}
|
||
self.Byte(0x4c, 0x8d, 0x0d) // LEAQ (PC), R9
|
||
self.Sref("_unquote_twice_write_{n}", 4)
|
||
self.Sjmp("JMP" , "_escape_string_twice")
|
||
self.Link("_noescape_{n}") // _noescape_{n}:
|
||
self.Emit("BTQ" , jit.Imm(_F_copy_string), _ARG_fv)
|
||
self.Sjmp("JNC", "_unquote_twice_write_{n}")
|
||
self.Byte(0x4c, 0x8d, 0x0d) // LEAQ (PC), R9
|
||
self.Sref("_unquote_twice_write_{n}", 4)
|
||
self.Sjmp("JMP", "_copy_string")
|
||
self.Link("_unquote_twice_write_{n}")
|
||
self.Emit("MOVQ" , _SI, n) // MOVQ SI, ${n}
|
||
if stack {
|
||
self.Emit("MOVQ", _DI, p)
|
||
} else {
|
||
self.WriteRecNotAX(12, _DI, p, false, false)
|
||
}
|
||
self.Link("_unquote_twice_end_{n}")
|
||
}
|
||
|
||
/** Memory Clearing Routines **/
|
||
|
||
var (
|
||
_F_memclrHasPointers = jit.Func(memclrHasPointers)
|
||
_F_memclrNoHeapPointers = jit.Func(memclrNoHeapPointers)
|
||
)
|
||
|
||
func (self *_Assembler) mem_clear_fn(ptrfree bool) {
|
||
if !ptrfree {
|
||
self.call_go(_F_memclrHasPointers)
|
||
} else {
|
||
self.call_go(_F_memclrNoHeapPointers)
|
||
}
|
||
}
|
||
|
||
func (self *_Assembler) mem_clear_rem(size int64, ptrfree bool) {
|
||
self.Emit("MOVQ", jit.Imm(size), _BX) // MOVQ ${size}, BX
|
||
self.Emit("MOVQ", jit.Ptr(_ST, 0), _AX) // MOVQ (ST), AX
|
||
self.Emit("MOVQ", jit.Sib(_ST, _AX, 1, 0), _AX) // MOVQ (ST)(AX), AX
|
||
self.Emit("SUBQ", _VP, _AX) // SUBQ VP, AX
|
||
self.Emit("ADDQ", _AX, _BX) // ADDQ AX, BX
|
||
self.Emit("MOVQ", _VP, _AX) // MOVQ VP, (SP)
|
||
self.mem_clear_fn(ptrfree) // CALL_GO memclr{Has,NoHeap}Pointers
|
||
}
|
||
|
||
/** Map Assigning Routines **/
|
||
|
||
var (
|
||
_F_mapassign = jit.Func(mapassign)
|
||
_F_mapassign_fast32 = jit.Func(mapassign_fast32)
|
||
_F_mapassign_faststr = jit.Func(mapassign_faststr)
|
||
_F_mapassign_fast64ptr = jit.Func(mapassign_fast64ptr)
|
||
)
|
||
|
||
var (
|
||
_F_decodeJsonUnmarshaler obj.Addr
|
||
_F_decodeTextUnmarshaler obj.Addr
|
||
)
|
||
|
||
func init() {
|
||
_F_decodeJsonUnmarshaler = jit.Func(decodeJsonUnmarshaler)
|
||
_F_decodeTextUnmarshaler = jit.Func(decodeTextUnmarshaler)
|
||
}
|
||
|
||
func (self *_Assembler) mapaccess_ptr(t reflect.Type) {
|
||
if rt.MapType(rt.UnpackType(t)).IndirectElem() {
|
||
self.vfollow(t.Elem())
|
||
}
|
||
}
|
||
|
||
func (self *_Assembler) mapassign_std(t reflect.Type, v obj.Addr) {
|
||
self.Emit("LEAQ", v, _AX) // LEAQ ${v}, AX
|
||
self.mapassign_call_from_AX(t, _F_mapassign) // MAPASSIGN ${t}, mapassign
|
||
}
|
||
|
||
func (self *_Assembler) mapassign_str_fast(t reflect.Type, p obj.Addr, n obj.Addr) {
|
||
self.Emit("MOVQ", jit.Type(t), _AX) // MOVQ ${t}, AX
|
||
self.Emit("MOVQ", _VP, _BX) // MOVQ VP, BX
|
||
self.Emit("MOVQ", p, _CX) // MOVQ ${p}, CX
|
||
self.Emit("MOVQ", n, _DI) // MOVQ ${n}, DI
|
||
self.call_go(_F_mapassign_faststr) // CALL_GO ${fn}
|
||
self.Emit("MOVQ", _AX, _VP) // MOVQ AX, VP
|
||
self.mapaccess_ptr(t)
|
||
}
|
||
|
||
func (self *_Assembler) mapassign_call_from_AX(t reflect.Type, fn obj.Addr) {
|
||
self.Emit("MOVQ", _AX, _CX)
|
||
self.Emit("MOVQ", jit.Type(t), _AX) // MOVQ ${t}, AX
|
||
self.Emit("MOVQ", _VP, _BX) // MOVQ VP, _BX
|
||
self.call_go(fn) // CALL_GO ${fn}
|
||
self.Emit("MOVQ", _AX, _VP) // MOVQ AX, VP
|
||
}
|
||
|
||
func (self *_Assembler) mapassign_fastx(t reflect.Type, fn obj.Addr) {
|
||
self.mapassign_call_from_AX(t, fn)
|
||
self.mapaccess_ptr(t)
|
||
}
|
||
|
||
func (self *_Assembler) mapassign_utext(t reflect.Type, addressable bool) {
|
||
pv := false
|
||
vk := t.Key()
|
||
tk := t.Key()
|
||
|
||
/* deref pointer if needed */
|
||
if vk.Kind() == reflect.Ptr {
|
||
pv = true
|
||
vk = vk.Elem()
|
||
}
|
||
|
||
/* addressable value with pointer receiver */
|
||
if addressable {
|
||
pv = false
|
||
tk = reflect.PtrTo(tk)
|
||
}
|
||
|
||
/* allocate the key, and call the unmarshaler */
|
||
self.valloc(vk, _BX) // VALLOC ${vk}, BX
|
||
// must spill vk pointer since next call_go may invoke GC
|
||
self.Emit("MOVQ" , _BX, _ARG_vk)
|
||
self.Emit("MOVQ" , jit.Type(tk), _AX) // MOVQ ${tk}, AX
|
||
self.Emit("MOVQ" , _ARG_sv_p, _CX) // MOVQ sv.p, CX
|
||
self.Emit("MOVQ" , _ARG_sv_n, _DI) // MOVQ sv.n, DI
|
||
self.call_go(_F_decodeTextUnmarshaler) // CALL_GO decodeTextUnmarshaler
|
||
self.Emit("TESTQ", _ET, _ET) // TESTQ ET, ET
|
||
self.Sjmp("JNZ" , _LB_error) // JNZ _error
|
||
self.Emit("MOVQ" , _ARG_vk, _AX) // MOVQ VAR.vk, AX
|
||
self.Emit("MOVQ", jit.Imm(0), _ARG_vk)
|
||
|
||
/* select the correct assignment function */
|
||
if !pv {
|
||
self.mapassign_call_from_AX(t, _F_mapassign)
|
||
} else {
|
||
self.mapassign_fastx(t, _F_mapassign_fast64ptr)
|
||
}
|
||
}
|
||
|
||
/** External Unmarshaler Routines **/
|
||
|
||
var (
|
||
_F_skip_one = jit.Imm(int64(native.S_skip_one))
|
||
_F_skip_array = jit.Imm(int64(native.S_skip_array))
|
||
_F_skip_object = jit.Imm(int64(native.S_skip_object))
|
||
_F_skip_number = jit.Imm(int64(native.S_skip_number))
|
||
)
|
||
|
||
func (self *_Assembler) unmarshal_json(t reflect.Type, deref bool) {
|
||
self.call_sf(_F_skip_one) // CALL_SF skip_one
|
||
self.Emit("TESTQ", _AX, _AX) // TESTQ AX, AX
|
||
self.Sjmp("JS" , _LB_parsing_error_v) // JS _parse_error_v
|
||
self.slice_from_r(_AX, 0) // SLICE_R AX, $0
|
||
self.Emit("MOVQ" , _DI, _ARG_sv_p) // MOVQ DI, sv.p
|
||
self.Emit("MOVQ" , _SI, _ARG_sv_n) // MOVQ SI, sv.n
|
||
self.unmarshal_func(t, _F_decodeJsonUnmarshaler, deref) // UNMARSHAL json, ${t}, ${deref}
|
||
}
|
||
|
||
func (self *_Assembler) unmarshal_text(t reflect.Type, deref bool) {
|
||
self.parse_string() // PARSE STRING
|
||
self.unquote_once(_ARG_sv_p, _ARG_sv_n, true, true) // UNQUOTE once, sv.p, sv.n
|
||
self.unmarshal_func(t, _F_decodeTextUnmarshaler, deref) // UNMARSHAL text, ${t}, ${deref}
|
||
}
|
||
|
||
func (self *_Assembler) unmarshal_func(t reflect.Type, fn obj.Addr, deref bool) {
|
||
pt := t
|
||
vk := t.Kind()
|
||
|
||
/* allocate the field if needed */
|
||
if deref && vk == reflect.Ptr {
|
||
self.Emit("MOVQ" , _VP, _BX) // MOVQ VP, BX
|
||
self.Emit("MOVQ" , jit.Ptr(_BX, 0), _BX) // MOVQ (BX), BX
|
||
self.Emit("TESTQ", _BX, _BX) // TESTQ BX, BX
|
||
self.Sjmp("JNZ" , "_deref_{n}") // JNZ _deref_{n}
|
||
self.valloc(t.Elem(), _BX) // VALLOC ${t.Elem()}, BX
|
||
self.WriteRecNotAX(3, _BX, jit.Ptr(_VP, 0), false, false) // MOVQ BX, (VP)
|
||
self.Link("_deref_{n}") // _deref_{n}:
|
||
} else {
|
||
/* set value pointer */
|
||
self.Emit("MOVQ", _VP, _BX) // MOVQ (VP), BX
|
||
}
|
||
|
||
/* set value type */
|
||
self.Emit("MOVQ", jit.Type(pt), _AX) // MOVQ ${pt}, AX
|
||
|
||
/* set the source string and call the unmarshaler */
|
||
self.Emit("MOVQ" , _ARG_sv_p, _CX) // MOVQ sv.p, CX
|
||
self.Emit("MOVQ" , _ARG_sv_n, _DI) // MOVQ sv.n, DI
|
||
self.call_go(fn) // CALL_GO ${fn}
|
||
self.Emit("TESTQ", _ET, _ET) // TESTQ ET, ET
|
||
self.Sjmp("JNZ" , _LB_error) // JNZ _error
|
||
}
|
||
|
||
/** Dynamic Decoding Routine **/
|
||
|
||
var (
|
||
_F_decodeTypedPointer obj.Addr
|
||
)
|
||
|
||
func init() {
|
||
_F_decodeTypedPointer = jit.Func(decodeTypedPointer)
|
||
}
|
||
|
||
func (self *_Assembler) decode_dynamic(vt obj.Addr, vp obj.Addr) {
|
||
self.Emit("MOVQ" , vp, _SI) // MOVQ ${vp}, SI
|
||
self.Emit("MOVQ" , vt, _DI) // MOVQ ${vt}, DI
|
||
self.Emit("MOVQ", _ARG_sp, _AX) // MOVQ sp, AX
|
||
self.Emit("MOVQ", _ARG_sl, _BX) // MOVQ sp, BX
|
||
self.Emit("MOVQ" , _IC, _CX) // MOVQ IC, CX
|
||
self.Emit("MOVQ" , _ST, _R8) // MOVQ ST, R8
|
||
self.Emit("MOVQ" , _ARG_fv, _R9) // MOVQ fv, R9
|
||
self.save(_REG_rt...)
|
||
self.Emit("MOVQ", _F_decodeTypedPointer, _IL) // MOVQ ${fn}, R11
|
||
self.Rjmp("CALL", _IL) // CALL R11
|
||
self.load(_REG_rt...)
|
||
self.Emit("MOVQ" , _AX, _IC) // MOVQ AX, IC
|
||
self.Emit("MOVQ" , _BX, _ET) // MOVQ BX, ET
|
||
self.Emit("MOVQ" , _CX, _EP) // MOVQ CX, EP
|
||
self.Emit("TESTQ", _ET, _ET) // TESTQ ET, ET
|
||
self.Sjmp("JNZ" , _LB_error) // JNZ _error
|
||
}
|
||
|
||
/** OpCode Assembler Functions **/
|
||
|
||
var (
|
||
_F_memequal = jit.Func(memequal)
|
||
_F_memmove = jit.Func(memmove)
|
||
_F_growslice = jit.Func(growslice)
|
||
_F_makeslice = jit.Func(makeslice)
|
||
_F_makemap_small = jit.Func(makemap_small)
|
||
_F_mapassign_fast64 = jit.Func(mapassign_fast64)
|
||
)
|
||
|
||
var (
|
||
_F_lspace = jit.Imm(int64(native.S_lspace))
|
||
_F_strhash = jit.Imm(int64(caching.S_strhash))
|
||
)
|
||
|
||
var (
|
||
_F_b64decode = jit.Imm(int64(_subr__b64decode))
|
||
_F_decodeValue = jit.Imm(int64(_subr_decode_value))
|
||
)
|
||
|
||
var (
|
||
_F_FieldMap_GetCaseInsensitive obj.Addr
|
||
)
|
||
|
||
const (
|
||
_MODE_AVX2 = 1 << 2
|
||
)
|
||
|
||
const (
|
||
_Fe_ID = int64(unsafe.Offsetof(caching.FieldEntry{}.ID))
|
||
_Fe_Name = int64(unsafe.Offsetof(caching.FieldEntry{}.Name))
|
||
_Fe_Hash = int64(unsafe.Offsetof(caching.FieldEntry{}.Hash))
|
||
)
|
||
|
||
const (
|
||
_Vk_Ptr = int64(reflect.Ptr)
|
||
_Gt_KindFlags = int64(unsafe.Offsetof(rt.GoType{}.KindFlags))
|
||
)
|
||
|
||
func init() {
|
||
_F_FieldMap_GetCaseInsensitive = jit.Func((*caching.FieldMap).GetCaseInsensitive)
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_any(_ *_Instr) {
|
||
self.Emit("MOVQ" , jit.Ptr(_VP, 8), _CX) // MOVQ 8(VP), CX
|
||
self.Emit("TESTQ" , _CX, _CX) // TESTQ CX, CX
|
||
self.Sjmp("JZ" , "_decode_{n}") // JZ _decode_{n}
|
||
self.Emit("CMPQ" , _CX, _VP) // CMPQ CX, VP
|
||
self.Sjmp("JE" , "_decode_{n}") // JE _decode_{n}
|
||
self.Emit("MOVQ" , jit.Ptr(_VP, 0), _AX) // MOVQ (VP), AX
|
||
self.Emit("MOVBLZX", jit.Ptr(_AX, _Gt_KindFlags), _DX) // MOVBLZX _Gt_KindFlags(AX), DX
|
||
self.Emit("ANDL" , jit.Imm(rt.F_kind_mask), _DX) // ANDL ${F_kind_mask}, DX
|
||
self.Emit("CMPL" , _DX, jit.Imm(_Vk_Ptr)) // CMPL DX, ${reflect.Ptr}
|
||
self.Sjmp("JNE" , "_decode_{n}") // JNE _decode_{n}
|
||
self.Emit("LEAQ" , jit.Ptr(_VP, 8), _DI) // LEAQ 8(VP), DI
|
||
self.decode_dynamic(_AX, _DI) // DECODE AX, DI
|
||
self.Sjmp("JMP" , "_decode_end_{n}") // JMP _decode_end_{n}
|
||
self.Link("_decode_{n}") // _decode_{n}:
|
||
self.Emit("MOVQ" , _ARG_fv, _DF) // MOVQ fv, DF
|
||
self.Emit("MOVQ" , _ST, jit.Ptr(_SP, 0)) // MOVQ _ST, (SP)
|
||
self.call(_F_decodeValue) // CALL decodeValue
|
||
self.Emit("MOVQ" , jit.Imm(0), jit.Ptr(_SP, 0)) // MOVQ _ST, (SP)
|
||
self.Emit("TESTQ" , _EP, _EP) // TESTQ EP, EP
|
||
self.Sjmp("JNZ" , _LB_parsing_error) // JNZ _parsing_error
|
||
self.Link("_decode_end_{n}") // _decode_end_{n}:
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_dyn(p *_Instr) {
|
||
self.Emit("MOVQ" , jit.Type(p.vt()), _ET) // MOVQ ${p.vt()}, ET
|
||
self.Emit("CMPQ" , jit.Ptr(_VP, 8), jit.Imm(0)) // CMPQ 8(VP), $0
|
||
self.Sjmp("JE" , _LB_type_error) // JE _type_error
|
||
self.Emit("MOVQ" , jit.Ptr(_VP, 0), _CX) // MOVQ (VP), CX
|
||
self.Emit("MOVQ" , jit.Ptr(_CX, 8), _CX) // MOVQ 8(CX), CX
|
||
self.Emit("MOVBLZX", jit.Ptr(_CX, _Gt_KindFlags), _DX) // MOVBLZX _Gt_KindFlags(CX), DX
|
||
self.Emit("ANDL" , jit.Imm(rt.F_kind_mask), _DX) // ANDL ${F_kind_mask}, DX
|
||
self.Emit("CMPL" , _DX, jit.Imm(_Vk_Ptr)) // CMPL DX, ${reflect.Ptr}
|
||
self.Sjmp("JNE" , _LB_type_error) // JNE _type_error
|
||
self.Emit("LEAQ" , jit.Ptr(_VP, 8), _DI) // LEAQ 8(VP), DI
|
||
self.decode_dynamic(_CX, _DI) // DECODE CX, DI
|
||
self.Link("_decode_end_{n}") // _decode_end_{n}:
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_str(_ *_Instr) {
|
||
self.parse_string() // PARSE STRING
|
||
self.unquote_once(jit.Ptr(_VP, 0), jit.Ptr(_VP, 8), false, true) // UNQUOTE once, (VP), 8(VP)
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_bin(_ *_Instr) {
|
||
self.parse_string() // PARSE STRING
|
||
self.slice_from(_VAR_st_Iv, -1) // SLICE st.Iv, $-1
|
||
self.Emit("MOVQ" , _DI, jit.Ptr(_VP, 0)) // MOVQ DI, (VP)
|
||
self.Emit("MOVQ" , _SI, jit.Ptr(_VP, 8)) // MOVQ SI, 8(VP)
|
||
self.Emit("SHRQ" , jit.Imm(2), _SI) // SHRQ $2, SI
|
||
self.Emit("LEAQ" , jit.Sib(_SI, _SI, 2, 0), _SI) // LEAQ (SI)(SI*2), SI
|
||
self.Emit("MOVQ" , _SI, jit.Ptr(_VP, 16)) // MOVQ SI, 16(VP)
|
||
self.malloc_AX(_SI, _SI) // MALLOC SI, SI
|
||
|
||
// TODO: due to base64x's bug, only use AVX mode now
|
||
self.Emit("MOVL", jit.Imm(_MODE_JSON), _CX) // MOVL $_MODE_JSON, CX
|
||
|
||
/* call the decoder */
|
||
self.Emit("XORL" , _DX, _DX) // XORL DX, DX
|
||
self.Emit("MOVQ" , _VP, _DI) // MOVQ VP, DI
|
||
|
||
self.Emit("MOVQ" , jit.Ptr(_VP, 0), _R8) // MOVQ SI, （VP)
|
||
self.WriteRecNotAX(4, _SI, jit.Ptr(_VP, 0), true, false) // XCHGQ SI, (VP)
|
||
self.Emit("MOVQ" , _R8, _SI)
|
||
|
||
self.Emit("XCHGQ", _DX, jit.Ptr(_VP, 8)) // XCHGQ DX, 8(VP)
|
||
self.call_c(_F_b64decode) // CALL b64decode
|
||
self.Emit("TESTQ", _AX, _AX) // TESTQ AX, AX
|
||
self.Sjmp("JS" , _LB_base64_error) // JS _base64_error
|
||
self.Emit("MOVQ" , _AX, jit.Ptr(_VP, 8)) // MOVQ AX, 8(VP)
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_bool(_ *_Instr) {
|
||
self.Emit("LEAQ", jit.Ptr(_IC, 4), _AX) // LEAQ 4(IC), AX
|
||
self.Emit("CMPQ", _AX, _IL) // CMPQ AX, IL
|
||
self.Sjmp("JA" , _LB_eof_error) // JA _eof_error
|
||
self.Emit("CMPB", jit.Sib(_IP, _IC, 1, 0), jit.Imm('f')) // CMPB (IP)(IC), $'f'
|
||
self.Sjmp("JE" , "_false_{n}") // JE _false_{n}
|
||
self.Emit("MOVL", jit.Imm(_IM_true), _CX) // MOVL $"true", CX
|
||
self.Emit("CMPL", _CX, jit.Sib(_IP, _IC, 1, 0)) // CMPL CX, (IP)(IC)
|
||
self.Sjmp("JE" , "_bool_true_{n}")
|
||
// try to skip the value
|
||
self.Emit("MOVQ", _IC, _VAR_ic)
|
||
self.Emit("MOVQ", _T_bool, _ET)
|
||
self.Emit("MOVQ", _ET, _VAR_et)
|
||
self.Byte(0x4c, 0x8d, 0x0d) // LEAQ (PC), R9
|
||
self.Sref("_end_{n}", 4)
|
||
self.Emit("MOVQ", _R9, _VAR_pc)
|
||
self.Sjmp("JMP" , _LB_skip_one)
|
||
|
||
self.Link("_bool_true_{n}")
|
||
self.Emit("MOVQ", _AX, _IC) // MOVQ AX, IC
|
||
self.Emit("MOVB", jit.Imm(1), jit.Ptr(_VP, 0)) // MOVB $1, (VP)
|
||
self.Sjmp("JMP" , "_end_{n}") // JMP _end_{n}
|
||
self.Link("_false_{n}") // _false_{n}:
|
||
self.Emit("ADDQ", jit.Imm(1), _AX) // ADDQ $1, AX
|
||
self.Emit("ADDQ", jit.Imm(1), _IC) // ADDQ $1, IC
|
||
self.Emit("CMPQ", _AX, _IL) // CMPQ AX, IL
|
||
self.Sjmp("JA" , _LB_eof_error) // JA _eof_error
|
||
self.Emit("MOVL", jit.Imm(_IM_alse), _CX) // MOVL $"alse", CX
|
||
self.Emit("CMPL", _CX, jit.Sib(_IP, _IC, 1, 0)) // CMPL CX, (IP)(IC)
|
||
self.Sjmp("JNE" , _LB_im_error) // JNE _im_error
|
||
self.Emit("MOVQ", _AX, _IC) // MOVQ AX, IC
|
||
self.Emit("XORL", _AX, _AX) // XORL AX, AX
|
||
self.Emit("MOVB", _AX, jit.Ptr(_VP, 0)) // MOVB AX, (VP)
|
||
self.Link("_end_{n}") // _end_{n}:
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_num(_ *_Instr) {
|
||
self.Emit("MOVQ", jit.Imm(0), _VAR_fl)
|
||
self.Emit("CMPB", jit.Sib(_IP, _IC, 1, 0), jit.Imm('"'))
|
||
self.Emit("MOVQ", _IC, _BX)
|
||
self.Sjmp("JNE", "_skip_number_{n}")
|
||
self.Emit("MOVQ", jit.Imm(1), _VAR_fl)
|
||
self.Emit("ADDQ", jit.Imm(1), _IC)
|
||
self.Link("_skip_number_{n}")
|
||
|
||
/* call skip_number */
|
||
self.Emit("LEAQ", _ARG_s, _DI) // LEAQ s<>+0(FP), DI
|
||
self.Emit("MOVQ", _IC, _ARG_ic) // MOVQ IC, ic<>+16(FP)
|
||
self.Emit("LEAQ", _ARG_ic, _SI) // LEAQ ic<>+16(FP), SI
|
||
self.callc(_F_skip_number) // CALL _F_skip_number
|
||
self.Emit("MOVQ", _ARG_ic, _IC) // MOVQ ic<>+16(FP), IC
|
||
self.Emit("TESTQ", _AX, _AX) // TESTQ AX, AX
|
||
self.Sjmp("JNS" , "_num_next_{n}")
|
||
|
||
/* call skip one */
|
||
self.Emit("MOVQ", _BX, _VAR_ic)
|
||
self.Emit("MOVQ", _T_number, _ET)
|
||
self.Emit("MOVQ", _ET, _VAR_et)
|
||
self.Byte(0x4c, 0x8d, 0x0d)
|
||
self.Sref("_num_end_{n}", 4)
|
||
self.Emit("MOVQ", _R9, _VAR_pc)
|
||
self.Sjmp("JMP" , _LB_skip_one)
|
||
|
||
/* assgin string */
|
||
self.Link("_num_next_{n}")
|
||
self.slice_from_r(_AX, 0)
|
||
self.Emit("BTQ", jit.Imm(_F_copy_string), _ARG_fv)
|
||
self.Sjmp("JNC", "_num_write_{n}")
|
||
self.Byte(0x4c, 0x8d, 0x0d) // LEAQ (PC), R9
|
||
self.Sref("_num_write_{n}", 4)
|
||
self.Sjmp("JMP", "_copy_string")
|
||
self.Link("_num_write_{n}")
|
||
self.Emit("MOVQ", _SI, jit.Ptr(_VP, 8)) // MOVQ SI, 8(VP)
|
||
self.WriteRecNotAX(13, _DI, jit.Ptr(_VP, 0), false, false)
|
||
self.Emit("CMPQ", _VAR_fl, jit.Imm(1))
|
||
self.Sjmp("JNE", "_num_end_{n}")
|
||
self.Emit("CMPB", jit.Sib(_IP, _IC, 1, 0), jit.Imm('"'))
|
||
self.Sjmp("JNE", _LB_char_0_error)
|
||
self.Emit("ADDQ", jit.Imm(1), _IC)
|
||
self.Link("_num_end_{n}")
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_i8(_ *_Instr) {
|
||
var pin = "_i8_end_{n}"
|
||
self.parse_signed(int8Type, pin, -1) // PARSE int8
|
||
self.range_signed_CX(_I_int8, _T_int8, math.MinInt8, math.MaxInt8) // RANGE int8
|
||
self.Emit("MOVB", _CX, jit.Ptr(_VP, 0)) // MOVB CX, (VP)
|
||
self.Link(pin)
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_i16(_ *_Instr) {
|
||
var pin = "_i16_end_{n}"
|
||
self.parse_signed(int16Type, pin, -1) // PARSE int16
|
||
self.range_signed_CX(_I_int16, _T_int16, math.MinInt16, math.MaxInt16) // RANGE int16
|
||
self.Emit("MOVW", _CX, jit.Ptr(_VP, 0)) // MOVW CX, (VP)
|
||
self.Link(pin)
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_i32(_ *_Instr) {
|
||
var pin = "_i32_end_{n}"
|
||
self.parse_signed(int32Type, pin, -1) // PARSE int32
|
||
self.range_signed_CX(_I_int32, _T_int32, math.MinInt32, math.MaxInt32) // RANGE int32
|
||
self.Emit("MOVL", _CX, jit.Ptr(_VP, 0)) // MOVL CX, (VP)
|
||
self.Link(pin)
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_i64(_ *_Instr) {
|
||
var pin = "_i64_end_{n}"
|
||
self.parse_signed(int64Type, pin, -1) // PARSE int64
|
||
self.Emit("MOVQ", _VAR_st_Iv, _AX) // MOVQ st.Iv, AX
|
||
self.Emit("MOVQ", _AX, jit.Ptr(_VP, 0)) // MOVQ AX, (VP)
|
||
self.Link(pin)
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_u8(_ *_Instr) {
|
||
var pin = "_u8_end_{n}"
|
||
self.parse_unsigned(uint8Type, pin, -1) // PARSE uint8
|
||
self.range_unsigned_CX(_I_uint8, _T_uint8, math.MaxUint8) // RANGE uint8
|
||
self.Emit("MOVB", _CX, jit.Ptr(_VP, 0)) // MOVB CX, (VP)
|
||
self.Link(pin)
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_u16(_ *_Instr) {
|
||
var pin = "_u16_end_{n}"
|
||
self.parse_unsigned(uint16Type, pin, -1) // PARSE uint16
|
||
self.range_unsigned_CX(_I_uint16, _T_uint16, math.MaxUint16) // RANGE uint16
|
||
self.Emit("MOVW", _CX, jit.Ptr(_VP, 0)) // MOVW CX, (VP)
|
||
self.Link(pin)
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_u32(_ *_Instr) {
|
||
var pin = "_u32_end_{n}"
|
||
self.parse_unsigned(uint32Type, pin, -1) // PARSE uint32
|
||
self.range_unsigned_CX(_I_uint32, _T_uint32, math.MaxUint32) // RANGE uint32
|
||
self.Emit("MOVL", _CX, jit.Ptr(_VP, 0)) // MOVL CX, (VP)
|
||
self.Link(pin)
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_u64(_ *_Instr) {
|
||
var pin = "_u64_end_{n}"
|
||
self.parse_unsigned(uint64Type, pin, -1) // PARSE uint64
|
||
self.Emit("MOVQ", _VAR_st_Iv, _AX) // MOVQ st.Iv, AX
|
||
self.Emit("MOVQ", _AX, jit.Ptr(_VP, 0)) // MOVQ AX, (VP)
|
||
self.Link(pin)
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_f32(_ *_Instr) {
|
||
var pin = "_f32_end_{n}"
|
||
self.parse_number(float32Type, pin, -1) // PARSE NUMBER
|
||
self.range_single_X0() // RANGE float32
|
||
self.Emit("MOVSS", _X0, jit.Ptr(_VP, 0)) // MOVSS X0, (VP)
|
||
self.Link(pin)
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_f64(_ *_Instr) {
|
||
var pin = "_f64_end_{n}"
|
||
self.parse_number(float64Type, pin, -1) // PARSE NUMBER
|
||
self.Emit("MOVSD", _VAR_st_Dv, _X0) // MOVSD st.Dv, X0
|
||
self.Emit("MOVSD", _X0, jit.Ptr(_VP, 0)) // MOVSD X0, (VP)
|
||
self.Link(pin)
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_unquote(_ *_Instr) {
|
||
self.check_eof(2)
|
||
self.Emit("CMPB", jit.Sib(_IP, _IC, 1, 0), jit.Imm('\\')) // CMPB (IP)(IC), $'\\'
|
||
self.Sjmp("JNE" , _LB_char_0_error) // JNE _char_0_error
|
||
self.Emit("CMPB", jit.Sib(_IP, _IC, 1, 1), jit.Imm('"')) // CMPB 1(IP)(IC), $'"'
|
||
self.Sjmp("JNE" , _LB_char_1_error) // JNE _char_1_error
|
||
self.Emit("ADDQ", jit.Imm(2), _IC) // ADDQ $2, IC
|
||
self.parse_string() // PARSE STRING
|
||
self.unquote_twice(jit.Ptr(_VP, 0), jit.Ptr(_VP, 8), false) // UNQUOTE twice, (VP), 8(VP)
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_nil_1(_ *_Instr) {
|
||
self.Emit("XORL", _AX, _AX) // XORL AX, AX
|
||
self.Emit("MOVQ", _AX, jit.Ptr(_VP, 0)) // MOVQ AX, (VP)
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_nil_2(_ *_Instr) {
|
||
self.Emit("PXOR" , _X0, _X0) // PXOR X0, X0
|
||
self.Emit("MOVOU", _X0, jit.Ptr(_VP, 0)) // MOVOU X0, (VP)
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_nil_3(_ *_Instr) {
|
||
self.Emit("XORL" , _AX, _AX) // XORL AX, AX
|
||
self.Emit("PXOR" , _X0, _X0) // PXOR X0, X0
|
||
self.Emit("MOVOU", _X0, jit.Ptr(_VP, 0)) // MOVOU X0, (VP)
|
||
self.Emit("MOVQ" , _AX, jit.Ptr(_VP, 16)) // MOVOU AX, 16(VP)
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_deref(p *_Instr) {
|
||
self.vfollow(p.vt())
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_index(p *_Instr) {
|
||
self.Emit("MOVQ", jit.Imm(p.i64()), _AX) // MOVQ ${p.vi()}, AX
|
||
self.Emit("ADDQ", _AX, _VP) // ADDQ _AX, _VP
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_is_null(p *_Instr) {
|
||
self.Emit("LEAQ" , jit.Ptr(_IC, 4), _AX) // LEAQ 4(IC), AX
|
||
self.Emit("CMPQ" , _AX, _IL) // CMPQ AX, IL
|
||
self.Sjmp("JA" , "_not_null_{n}") // JA _not_null_{n}
|
||
self.Emit("CMPL" , jit.Sib(_IP, _IC, 1, 0), jit.Imm(_IM_null)) // CMPL (IP)(IC), $"null"
|
||
self.Emit("CMOVQEQ", _AX, _IC) // CMOVQEQ AX, IC
|
||
self.Xjmp("JE" , p.vi()) // JE {p.vi()}
|
||
self.Link("_not_null_{n}") // _not_null_{n}:
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_is_null_quote(p *_Instr) {
|
||
self.Emit("LEAQ" , jit.Ptr(_IC, 5), _AX) // LEAQ 4(IC), AX
|
||
self.Emit("CMPQ" , _AX, _IL) // CMPQ AX, IL
|
||
self.Sjmp("JA" , "_not_null_quote_{n}") // JA _not_null_quote_{n}
|
||
self.Emit("CMPL" , jit.Sib(_IP, _IC, 1, 0), jit.Imm(_IM_null)) // CMPL (IP)(IC), $"null"
|
||
self.Sjmp("JNE" , "_not_null_quote_{n}") // JNE _not_null_quote_{n}
|
||
self.Emit("CMPB" , jit.Sib(_IP, _IC, 1, 4), jit.Imm('"')) // CMPB 4(IP)(IC), $'"'
|
||
self.Emit("CMOVQEQ", _AX, _IC) // CMOVQEQ AX, IC
|
||
self.Xjmp("JE" , p.vi()) // JE {p.vi()}
|
||
self.Link("_not_null_quote_{n}") // _not_null_quote_{n}:
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_map_init(_ *_Instr) {
|
||
self.Emit("MOVQ" , jit.Ptr(_VP, 0), _AX) // MOVQ (VP), AX
|
||
self.Emit("TESTQ", _AX, _AX) // TESTQ AX, AX
|
||
self.Sjmp("JNZ" , "_end_{n}") // JNZ _end_{n}
|
||
self.call_go(_F_makemap_small) // CALL_GO makemap_small
|
||
self.WritePtrAX(6, jit.Ptr(_VP, 0), false) // MOVQ AX, (VP)
|
||
self.Link("_end_{n}") // _end_{n}:
|
||
self.Emit("MOVQ" , _AX, _VP) // MOVQ AX, VP
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_map_key_i8(p *_Instr) {
|
||
self.parse_signed(int8Type, "", p.vi()) // PARSE int8
|
||
self.range_signed_CX(_I_int8, _T_int8, math.MinInt8, math.MaxInt8) // RANGE int8
|
||
self.mapassign_std(p.vt(), _VAR_st_Iv) // MAPASSIGN int8, mapassign, st.Iv
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_map_key_i16(p *_Instr) {
|
||
self.parse_signed(int16Type, "", p.vi()) // PARSE int16
|
||
self.range_signed_CX(_I_int16, _T_int16, math.MinInt16, math.MaxInt16) // RANGE int16
|
||
self.mapassign_std(p.vt(), _VAR_st_Iv) // MAPASSIGN int16, mapassign, st.Iv
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_map_key_i32(p *_Instr) {
|
||
self.parse_signed(int32Type, "", p.vi()) // PARSE int32
|
||
self.range_signed_CX(_I_int32, _T_int32, math.MinInt32, math.MaxInt32) // RANGE int32
|
||
if vt := p.vt(); !mapfast(vt) {
|
||
self.mapassign_std(vt, _VAR_st_Iv) // MAPASSIGN int32, mapassign, st.Iv
|
||
} else {
|
||
self.Emit("MOVQ", _CX, _AX) // MOVQ CX, AX
|
||
self.mapassign_fastx(vt, _F_mapassign_fast32) // MAPASSIGN int32, mapassign_fast32
|
||
}
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_map_key_i64(p *_Instr) {
|
||
self.parse_signed(int64Type, "", p.vi()) // PARSE int64
|
||
if vt := p.vt(); !mapfast(vt) {
|
||
self.mapassign_std(vt, _VAR_st_Iv) // MAPASSIGN int64, mapassign, st.Iv
|
||
} else {
|
||
self.Emit("MOVQ", _VAR_st_Iv, _AX) // MOVQ st.Iv, AX
|
||
self.mapassign_fastx(vt, _F_mapassign_fast64) // MAPASSIGN int64, mapassign_fast64
|
||
}
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_map_key_u8(p *_Instr) {
|
||
self.parse_unsigned(uint8Type, "", p.vi()) // PARSE uint8
|
||
self.range_unsigned_CX(_I_uint8, _T_uint8, math.MaxUint8) // RANGE uint8
|
||
self.mapassign_std(p.vt(), _VAR_st_Iv) // MAPASSIGN uint8, vt.Iv
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_map_key_u16(p *_Instr) {
|
||
self.parse_unsigned(uint16Type, "", p.vi()) // PARSE uint16
|
||
self.range_unsigned_CX(_I_uint16, _T_uint16, math.MaxUint16) // RANGE uint16
|
||
self.mapassign_std(p.vt(), _VAR_st_Iv) // MAPASSIGN uint16, vt.Iv
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_map_key_u32(p *_Instr) {
|
||
self.parse_unsigned(uint32Type, "", p.vi()) // PARSE uint32
|
||
self.range_unsigned_CX(_I_uint32, _T_uint32, math.MaxUint32) // RANGE uint32
|
||
if vt := p.vt(); !mapfast(vt) {
|
||
self.mapassign_std(vt, _VAR_st_Iv) // MAPASSIGN uint32, vt.Iv
|
||
} else {
|
||
self.Emit("MOVQ", _CX, _AX) // MOVQ CX, AX
|
||
self.mapassign_fastx(vt, _F_mapassign_fast32) // MAPASSIGN uint32, mapassign_fast32
|
||
}
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_map_key_u64(p *_Instr) {
|
||
self.parse_unsigned(uint64Type, "", p.vi()) // PARSE uint64
|
||
if vt := p.vt(); !mapfast(vt) {
|
||
self.mapassign_std(vt, _VAR_st_Iv) // MAPASSIGN uint64, vt.Iv
|
||
} else {
|
||
self.Emit("MOVQ", _VAR_st_Iv, _AX) // MOVQ st.Iv, AX
|
||
self.mapassign_fastx(vt, _F_mapassign_fast64) // MAPASSIGN uint64, mapassign_fast64
|
||
}
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_map_key_f32(p *_Instr) {
|
||
self.parse_number(float32Type, "", p.vi()) // PARSE NUMBER
|
||
self.range_single_X0() // RANGE float32
|
||
self.Emit("MOVSS", _X0, _VAR_st_Dv) // MOVSS X0, st.Dv
|
||
self.mapassign_std(p.vt(), _VAR_st_Dv) // MAPASSIGN ${p.vt()}, mapassign, st.Dv
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_map_key_f64(p *_Instr) {
|
||
self.parse_number(float64Type, "", p.vi()) // PARSE NUMBER
|
||
self.mapassign_std(p.vt(), _VAR_st_Dv) // MAPASSIGN ${p.vt()}, mapassign, st.Dv
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_map_key_str(p *_Instr) {
|
||
self.parse_string() // PARSE STRING
|
||
self.unquote_once(_ARG_sv_p, _ARG_sv_n, true, true) // UNQUOTE once, sv.p, sv.n
|
||
if vt := p.vt(); !mapfast(vt) {
|
||
self.valloc(vt.Key(), _DI)
|
||
self.Emit("MOVOU", _ARG_sv, _X0)
|
||
self.Emit("MOVOU", _X0, jit.Ptr(_DI, 0))
|
||
self.mapassign_std(vt, jit.Ptr(_DI, 0)) // MAPASSIGN string, DI, SI
|
||
} else {
|
||
self.mapassign_str_fast(vt, _ARG_sv_p, _ARG_sv_n) // MAPASSIGN string, DI, SI
|
||
}
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_map_key_utext(p *_Instr) {
|
||
self.parse_string() // PARSE STRING
|
||
self.unquote_once(_ARG_sv_p, _ARG_sv_n, true, true) // UNQUOTE once, sv.p, sv.n
|
||
self.mapassign_utext(p.vt(), false) // MAPASSIGN utext, ${p.vt()}, false
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_map_key_utext_p(p *_Instr) {
|
||
self.parse_string() // PARSE STRING
|
||
self.unquote_once(_ARG_sv_p, _ARG_sv_n, true, true) // UNQUOTE once, sv.p, sv.n
|
||
self.mapassign_utext(p.vt(), true) // MAPASSIGN utext, ${p.vt()}, true
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_array_skip(_ *_Instr) {
|
||
self.call_sf(_F_skip_array) // CALL_SF skip_array
|
||
self.Emit("TESTQ", _AX, _AX) // TESTQ AX, AX
|
||
self.Sjmp("JS" , _LB_parsing_error_v) // JS _parse_error_v
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_array_clear(p *_Instr) {
|
||
self.mem_clear_rem(p.i64(), true)
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_array_clear_p(p *_Instr) {
|
||
self.mem_clear_rem(p.i64(), false)
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_slice_init(p *_Instr) {
|
||
self.Emit("XORL" , _AX, _AX) // XORL AX, AX
|
||
self.Emit("MOVQ" , _AX, jit.Ptr(_VP, 8)) // MOVQ AX, 8(VP)
|
||
self.Emit("MOVQ" , jit.Ptr(_VP, 16), _BX) // MOVQ 16(VP), BX
|
||
self.Emit("TESTQ", _BX, _BX) // TESTQ BX, BX
|
||
self.Sjmp("JNZ" , "_done_{n}") // JNZ _done_{n}
|
||
self.Emit("MOVQ" , jit.Imm(_MinSlice), _CX) // MOVQ ${_MinSlice}, CX
|
||
self.Emit("MOVQ" , _CX, jit.Ptr(_VP, 16)) // MOVQ CX, 16(VP)
|
||
self.Emit("MOVQ" , jit.Type(p.vt()), _AX) // MOVQ ${p.vt()}, DX
|
||
self.call_go(_F_makeslice) // CALL_GO makeslice
|
||
self.WritePtrAX(7, jit.Ptr(_VP, 0), false) // MOVQ AX, (VP)
|
||
self.Emit("XORL" , _AX, _AX) // XORL AX, AX
|
||
self.Emit("MOVQ" , _AX, jit.Ptr(_VP, 8)) // MOVQ AX, 8(VP)
|
||
self.Link("_done_{n}") // _done_{n}
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_slice_append(p *_Instr) {
|
||
self.Emit("MOVQ" , jit.Ptr(_VP, 8), _AX) // MOVQ 8(VP), AX
|
||
self.Emit("CMPQ" , _AX, jit.Ptr(_VP, 16)) // CMPQ AX, 16(VP)
|
||
self.Sjmp("JB" , "_index_{n}") // JB _index_{n}
|
||
self.Emit("MOVQ" , _AX, _SI) // MOVQ AX, SI
|
||
self.Emit("SHLQ" , jit.Imm(1), _SI) // SHLQ $1, SI
|
||
self.Emit("MOVQ" , jit.Type(p.vt()), _AX) // MOVQ ${p.vt()}, AX
|
||
self.Emit("MOVQ" , jit.Ptr(_VP, 0), _BX) // MOVQ (VP), BX
|
||
self.Emit("MOVQ" , jit.Ptr(_VP, 8), _CX) // MOVQ 8(VP), CX
|
||
self.Emit("MOVQ" , jit.Ptr(_VP, 16), _DI) // MOVQ 16(VP), DI
|
||
self.call_go(_F_growslice) // CALL_GO growslice
|
||
self.WritePtrAX(8, jit.Ptr(_VP, 0), false) // MOVQ AX, (VP)
|
||
self.Emit("MOVQ" , _BX, jit.Ptr(_VP, 8)) // MOVQ BX, 8(VP)
|
||
self.Emit("MOVQ" , _CX, jit.Ptr(_VP, 16)) // MOVQ CX, 16(VP)
|
||
self.Emit("MOVQ" , _BX, _AX) // MOVQ BX, AX
|
||
self.Link("_index_{n}") // _index_{n}:
|
||
self.Emit("ADDQ" , jit.Imm(1), jit.Ptr(_VP, 8)) // ADDQ $1, 8(VP)
|
||
self.Emit("MOVQ" , jit.Ptr(_VP, 0), _VP) // MOVQ (VP), VP
|
||
self.Emit("MOVQ" , jit.Imm(int64(p.vlen())), _CX) // MOVQ ${p.vlen()}, CX
|
||
self.From("MULQ" , _CX) // MULQ CX
|
||
self.Emit("ADDQ" , _AX, _VP) // ADDQ AX, VP
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_object_skip(_ *_Instr) {
|
||
self.call_sf(_F_skip_object) // CALL_SF skip_object
|
||
self.Emit("TESTQ", _AX, _AX) // TESTQ AX, AX
|
||
self.Sjmp("JS" , _LB_parsing_error_v) // JS _parse_error_v
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_object_next(_ *_Instr) {
|
||
self.call_sf(_F_skip_one) // CALL_SF skip_one
|
||
self.Emit("TESTQ", _AX, _AX) // TESTQ AX, AX
|
||
self.Sjmp("JS" , _LB_parsing_error_v) // JS _parse_error_v
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_struct_field(p *_Instr) {
|
||
assert_eq(caching.FieldEntrySize, 32, "invalid field entry size")
|
||
self.Emit("MOVQ" , jit.Imm(-1), _AX) // MOVQ $-1, AX
|
||
self.Emit("MOVQ" , _AX, _VAR_sr) // MOVQ AX, sr
|
||
self.parse_string() // PARSE STRING
|
||
self.unquote_once(_ARG_sv_p, _ARG_sv_n, true, false) // UNQUOTE once, sv.p, sv.n
|
||
self.Emit("LEAQ" , _ARG_sv, _AX) // LEAQ sv, AX
|
||
self.Emit("XORL" , _BX, _BX) // XORL BX, BX
|
||
self.call_go(_F_strhash) // CALL_GO strhash
|
||
self.Emit("MOVQ" , _AX, _R9) // MOVQ AX, R9
|
||
self.Emit("MOVQ" , jit.Imm(freezeFields(p.vf())), _CX) // MOVQ ${p.vf()}, CX
|
||
self.Emit("MOVQ" , jit.Ptr(_CX, caching.FieldMap_b), _SI) // MOVQ FieldMap.b(CX), SI
|
||
self.Emit("MOVQ" , jit.Ptr(_CX, caching.FieldMap_N), _CX) // MOVQ FieldMap.N(CX), CX
|
||
self.Emit("TESTQ", _CX, _CX) // TESTQ CX, CX
|
||
self.Sjmp("JZ" , "_try_lowercase_{n}") // JZ _try_lowercase_{n}
|
||
self.Link("_loop_{n}") // _loop_{n}:
|
||
self.Emit("XORL" , _DX, _DX) // XORL DX, DX
|
||
self.From("DIVQ" , _CX) // DIVQ CX
|
||
self.Emit("LEAQ" , jit.Ptr(_DX, 1), _AX) // LEAQ 1(DX), AX
|
||
self.Emit("SHLQ" , jit.Imm(5), _DX) // SHLQ $5, DX
|
||
self.Emit("LEAQ" , jit.Sib(_SI, _DX, 1, 0), _DI) // LEAQ (SI)(DX), DI
|
||
self.Emit("MOVQ" , jit.Ptr(_DI, _Fe_Hash), _R8) // MOVQ FieldEntry.Hash(DI), R8
|
||
self.Emit("TESTQ", _R8, _R8) // TESTQ R8, R8
|
||
self.Sjmp("JZ" , "_try_lowercase_{n}") // JZ _try_lowercase_{n}
|
||
self.Emit("CMPQ" , _R8, _R9) // CMPQ R8, R9
|
||
self.Sjmp("JNE" , "_loop_{n}") // JNE _loop_{n}
|
||
self.Emit("MOVQ" , jit.Ptr(_DI, _Fe_Name + 8), _DX) // MOVQ FieldEntry.Name+8(DI), DX
|
||
self.Emit("CMPQ" , _DX, _ARG_sv_n) // CMPQ DX, sv.n
|
||
self.Sjmp("JNE" , "_loop_{n}") // JNE _loop_{n}
|
||
self.Emit("MOVQ" , jit.Ptr(_DI, _Fe_ID), _R8) // MOVQ FieldEntry.ID(DI), R8
|
||
self.Emit("MOVQ" , _AX, _VAR_ss_AX) // MOVQ AX, ss.AX
|
||
self.Emit("MOVQ" , _CX, _VAR_ss_CX) // MOVQ CX, ss.CX
|
||
self.Emit("MOVQ" , _SI, _VAR_ss_SI) // MOVQ SI, ss.SI
|
||
self.Emit("MOVQ" , _R8, _VAR_ss_R8) // MOVQ R8, ss.R8
|
||
self.Emit("MOVQ" , _R9, _VAR_ss_R9) // MOVQ R9, ss.R9
|
||
self.Emit("MOVQ" , _ARG_sv_p, _AX) // MOVQ _VAR_sv_p, AX
|
||
self.Emit("MOVQ" , jit.Ptr(_DI, _Fe_Name), _CX) // MOVQ FieldEntry.Name(DI), CX
|
||
self.Emit("MOVQ" , _CX, _BX) // MOVQ CX, 8(SP)
|
||
self.Emit("MOVQ" , _DX, _CX) // MOVQ DX, 16(SP)
|
||
self.call_go(_F_memequal) // CALL_GO memequal
|
||
self.Emit("MOVB" , _AX, _DX) // MOVB 24(SP), DX
|
||
self.Emit("MOVQ" , _VAR_ss_AX, _AX) // MOVQ ss.AX, AX
|
||
self.Emit("MOVQ" , _VAR_ss_CX, _CX) // MOVQ ss.CX, CX
|
||
self.Emit("MOVQ" , _VAR_ss_SI, _SI) // MOVQ ss.SI, SI
|
||
self.Emit("MOVQ" , _VAR_ss_R9, _R9) // MOVQ ss.R9, R9
|
||
self.Emit("TESTB", _DX, _DX) // TESTB DX, DX
|
||
self.Sjmp("JZ" , "_loop_{n}") // JZ _loop_{n}
|
||
self.Emit("MOVQ" , _VAR_ss_R8, _R8) // MOVQ ss.R8, R8
|
||
self.Emit("MOVQ" , _R8, _VAR_sr) // MOVQ R8, sr
|
||
self.Sjmp("JMP" , "_end_{n}") // JMP _end_{n}
|
||
self.Link("_try_lowercase_{n}") // _try_lowercase_{n}:
|
||
self.Emit("MOVQ" , jit.Imm(referenceFields(p.vf())), _AX) // MOVQ ${p.vf()}, AX
|
||
self.Emit("MOVQ", _ARG_sv_p, _BX) // MOVQ sv, BX
|
||
self.Emit("MOVQ", _ARG_sv_n, _CX) // MOVQ sv, CX
|
||
self.call_go(_F_FieldMap_GetCaseInsensitive) // CALL_GO FieldMap::GetCaseInsensitive
|
||
self.Emit("MOVQ" , _AX, _VAR_sr) // MOVQ AX, _VAR_sr
|
||
self.Emit("TESTQ", _AX, _AX) // TESTQ AX, AX
|
||
self.Sjmp("JNS" , "_end_{n}") // JNS _end_{n}
|
||
self.Emit("BTQ" , jit.Imm(_F_disable_unknown), _ARG_fv) // BTQ ${_F_disable_unknown}, fv
|
||
self.Sjmp("JC" , _LB_field_error) // JC _field_error
|
||
self.Link("_end_{n}") // _end_{n}:
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_unmarshal(p *_Instr) {
|
||
self.unmarshal_json(p.vt(), true)
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_unmarshal_p(p *_Instr) {
|
||
self.unmarshal_json(p.vt(), false)
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_unmarshal_text(p *_Instr) {
|
||
self.unmarshal_text(p.vt(), true)
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_unmarshal_text_p(p *_Instr) {
|
||
self.unmarshal_text(p.vt(), false)
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_lspace(_ *_Instr) {
|
||
self.lspace("_{n}")
|
||
}
|
||
|
||
func (self *_Assembler) lspace(subfix string) {
|
||
var label = "_lspace" + subfix
|
||
self.Emit("CMPQ" , _IC, _IL) // CMPQ IC, IL
|
||
self.Sjmp("JAE" , _LB_eof_error) // JAE _eof_error
|
||
self.Emit("MOVQ" , jit.Imm(_BM_space), _DX) // MOVQ _BM_space, DX
|
||
self.Emit("MOVBQZX", jit.Sib(_IP, _IC, 1, 0), _AX) // MOVBQZX (IP)(IC), AX
|
||
self.Emit("CMPQ" , _AX, jit.Imm(' ')) // CMPQ AX, $' '
|
||
self.Sjmp("JA" , label) // JA _nospace_{n}
|
||
self.Emit("BTQ" , _AX, _DX) // BTQ AX, DX
|
||
self.Sjmp("JNC" , label) // JNC _nospace_{n}
|
||
|
||
/* test up to 4 characters */
|
||
for i := 0; i < 3; i++ {
|
||
self.Emit("ADDQ" , jit.Imm(1), _IC) // ADDQ $1, IC
|
||
self.Emit("CMPQ" , _IC, _IL) // CMPQ IC, IL
|
||
self.Sjmp("JAE" , _LB_eof_error) // JAE _eof_error
|
||
self.Emit("MOVBQZX", jit.Sib(_IP, _IC, 1, 0), _AX) // MOVBQZX (IP)(IC), AX
|
||
self.Emit("CMPQ" , _AX, jit.Imm(' ')) // CMPQ AX, $' '
|
||
self.Sjmp("JA" , label) // JA _nospace_{n}
|
||
self.Emit("BTQ" , _AX, _DX) // BTQ AX, DX
|
||
self.Sjmp("JNC" , label) // JNC _nospace_{n}
|
||
}
|
||
|
||
/* handle over to the native function */
|
||
self.Emit("MOVQ" , _IP, _DI) // MOVQ IP, DI
|
||
self.Emit("MOVQ" , _IL, _SI) // MOVQ IL, SI
|
||
self.Emit("MOVQ" , _IC, _DX) // MOVQ IC, DX
|
||
self.callc(_F_lspace) // CALL lspace
|
||
self.Emit("TESTQ" , _AX, _AX) // TESTQ AX, AX
|
||
self.Sjmp("JS" , _LB_parsing_error_v) // JS _parsing_error_v
|
||
self.Emit("CMPQ" , _AX, _IL) // CMPQ AX, IL
|
||
self.Sjmp("JAE" , _LB_eof_error) // JAE _eof_error
|
||
self.Emit("MOVQ" , _AX, _IC) // MOVQ AX, IC
|
||
self.Link(label) // _nospace_{n}:
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_match_char(p *_Instr) {
|
||
self.check_eof(1)
|
||
self.Emit("CMPB", jit.Sib(_IP, _IC, 1, 0), jit.Imm(int64(p.vb()))) // CMPB (IP)(IC), ${p.vb()}
|
||
self.Sjmp("JNE" , _LB_char_0_error) // JNE _char_0_error
|
||
self.Emit("ADDQ", jit.Imm(1), _IC) // ADDQ $1, IC
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_check_char(p *_Instr) {
|
||
self.check_eof(1)
|
||
self.Emit("LEAQ" , jit.Ptr(_IC, 1), _AX) // LEAQ 1(IC), AX
|
||
self.Emit("CMPB" , jit.Sib(_IP, _IC, 1, 0), jit.Imm(int64(p.vb()))) // CMPB (IP)(IC), ${p.vb()}
|
||
self.Emit("CMOVQEQ", _AX, _IC) // CMOVQEQ AX, IC
|
||
self.Xjmp("JE" , p.vi()) // JE {p.vi()}
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_check_char_0(p *_Instr) {
|
||
self.check_eof(1)
|
||
self.Emit("CMPB", jit.Sib(_IP, _IC, 1, 0), jit.Imm(int64(p.vb()))) // CMPB (IP)(IC), ${p.vb()}
|
||
self.Xjmp("JE" , p.vi()) // JE {p.vi()}
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_add(p *_Instr) {
|
||
self.Emit("ADDQ", jit.Imm(int64(p.vi())), _IC) // ADDQ ${p.vi()}, IC
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_load(_ *_Instr) {
|
||
self.Emit("MOVQ", jit.Ptr(_ST, 0), _AX) // MOVQ (ST), AX
|
||
self.Emit("MOVQ", jit.Sib(_ST, _AX, 1, 0), _VP) // MOVQ (ST)(AX), VP
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_save(_ *_Instr) {
|
||
self.Emit("MOVQ", jit.Ptr(_ST, 0), _CX) // MOVQ (ST), CX
|
||
self.Emit("CMPQ", _CX, jit.Imm(_MaxStackBytes)) // CMPQ CX, ${_MaxStackBytes}
|
||
self.Sjmp("JAE" , _LB_stack_error) // JA _stack_error
|
||
self.WriteRecNotAX(0 , _VP, jit.Sib(_ST, _CX, 1, 8), false, false) // MOVQ VP, 8(ST)(CX)
|
||
self.Emit("ADDQ", jit.Imm(8), _CX) // ADDQ $8, CX
|
||
self.Emit("MOVQ", _CX, jit.Ptr(_ST, 0)) // MOVQ CX, (ST)
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_drop(_ *_Instr) {
|
||
self.Emit("MOVQ", jit.Ptr(_ST, 0), _AX) // MOVQ (ST), AX
|
||
self.Emit("SUBQ", jit.Imm(8), _AX) // SUBQ $8, AX
|
||
self.Emit("MOVQ", jit.Sib(_ST, _AX, 1, 8), _VP) // MOVQ 8(ST)(AX), VP
|
||
self.Emit("MOVQ", _AX, jit.Ptr(_ST, 0)) // MOVQ AX, (ST)
|
||
self.Emit("XORL", _BX, _BX) // XORL BX, BX
|
||
self.Emit("MOVQ", _BX, jit.Sib(_ST, _AX, 1, 8)) // MOVQ BX, 8(ST)(AX)
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_drop_2(_ *_Instr) {
|
||
self.Emit("MOVQ" , jit.Ptr(_ST, 0), _AX) // MOVQ (ST), AX
|
||
self.Emit("SUBQ" , jit.Imm(16), _AX) // SUBQ $16, AX
|
||
self.Emit("MOVQ" , jit.Sib(_ST, _AX, 1, 8), _VP) // MOVQ 8(ST)(AX), VP
|
||
self.Emit("MOVQ" , _AX, jit.Ptr(_ST, 0)) // MOVQ AX, (ST)
|
||
self.Emit("PXOR" , _X0, _X0) // PXOR X0, X0
|
||
self.Emit("MOVOU", _X0, jit.Sib(_ST, _AX, 1, 8)) // MOVOU X0, 8(ST)(AX)
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_recurse(p *_Instr) {
|
||
self.Emit("MOVQ", jit.Type(p.vt()), _AX) // MOVQ ${p.vt()}, AX
|
||
self.decode_dynamic(_AX, _VP) // DECODE AX, VP
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_goto(p *_Instr) {
|
||
self.Xjmp("JMP", p.vi())
|
||
}
|
||
|
||
func (self *_Assembler) _asm_OP_switch(p *_Instr) {
|
||
self.Emit("MOVQ", _VAR_sr, _AX) // MOVQ sr, AX
|
||
self.Emit("CMPQ", _AX, jit.Imm(p.i64())) // CMPQ AX, ${len(p.vs())}
|
||
self.Sjmp("JAE" , "_default_{n}") // JAE _default_{n}
|
||
|
||
/* jump table selector */
|
||
self.Byte(0x48, 0x8d, 0x3d) // LEAQ ?(PC), DI
|
||
self.Sref("_switch_table_{n}", 4) // .... &_switch_table_{n}
|
||
self.Emit("MOVLQSX", jit.Sib(_DI, _AX, 4, 0), _AX) // MOVLQSX (DI)(AX*4), AX
|
||
self.Emit("ADDQ" , _DI, _AX) // ADDQ DI, AX
|
||
self.Rjmp("JMP" , _AX) // JMP AX
|
||
self.Link("_switch_table_{n}") // _switch_table_{n}:
|
||
|
||
/* generate the jump table */
|
||
for i, v := range p.vs() {
|
||
self.Xref(v, int64(-i) * 4)
|
||
}
|
||
|
||
/* default case */
|
||
self.Link("_default_{n}")
|
||
self.NOP()
|
||
}
|
||
|
||
func (self *_Assembler) print_gc(i int, p1 *_Instr, p2 *_Instr) {
|
||
self.Emit("MOVQ", jit.Imm(int64(p2.op())), _CX)// MOVQ $(p2.op()), 16(SP)
|
||
self.Emit("MOVQ", jit.Imm(int64(p1.op())), _BX) // MOVQ $(p1.op()), 8(SP)
|
||
self.Emit("MOVQ", jit.Imm(int64(i)), _AX) // MOVQ $(i), (SP)
|
||
self.call_go(_F_println)
|
||
}
|
||
|
||
//go:linkname _runtime_writeBarrier runtime.writeBarrier
|
||
var _runtime_writeBarrier uintptr
|
||
|
||
//go:linkname gcWriteBarrierAX runtime.gcWriteBarrier
|
||
func gcWriteBarrierAX()
|
||
|
||
var (
|
||
_V_writeBarrier = jit.Imm(int64(uintptr(unsafe.Pointer(&_runtime_writeBarrier))))
|
||
|
||
_F_gcWriteBarrierAX = jit.Func(gcWriteBarrierAX)
|
||
)
|
||
|
||
func (self *_Assembler) WritePtrAX(i int, rec obj.Addr, saveDI bool) {
|
||
self.Emit("MOVQ", _V_writeBarrier, _R9)
|
||
self.Emit("CMPL", jit.Ptr(_R9, 0), jit.Imm(0))
|
||
self.Sjmp("JE", "_no_writeBarrier" + strconv.Itoa(i) + "_{n}")
|
||
if saveDI {
|
||
self.save(_DI)
|
||
}
|
||
self.Emit("LEAQ", rec, _DI)
|
||
self.call(_F_gcWriteBarrierAX)
|
||
if saveDI {
|
||
self.load(_DI)
|
||
}
|
||
self.Sjmp("JMP", "_end_writeBarrier" + strconv.Itoa(i) + "_{n}")
|
||
self.Link("_no_writeBarrier" + strconv.Itoa(i) + "_{n}")
|
||
self.Emit("MOVQ", _AX, rec)
|
||
self.Link("_end_writeBarrier" + strconv.Itoa(i) + "_{n}")
|
||
}
|
||
|
||
func (self *_Assembler) WriteRecNotAX(i int, ptr obj.Addr, rec obj.Addr, saveDI bool, saveAX bool) {
|
||
if rec.Reg == x86.REG_AX || rec.Index == x86.REG_AX {
|
||
panic("rec contains AX!")
|
||
}
|
||
self.Emit("MOVQ", _V_writeBarrier, _R9)
|
||
self.Emit("CMPL", jit.Ptr(_R9, 0), jit.Imm(0))
|
||
self.Sjmp("JE", "_no_writeBarrier" + strconv.Itoa(i) + "_{n}")
|
||
if saveAX {
|
||
self.Emit("XCHGQ", ptr, _AX)
|
||
} else {
|
||
self.Emit("MOVQ", ptr, _AX)
|
||
}
|
||
if saveDI {
|
||
self.save(_DI)
|
||
}
|
||
self.Emit("LEAQ", rec, _DI)
|
||
self.call(_F_gcWriteBarrierAX)
|
||
if saveDI {
|
||
self.load(_DI)
|
||
}
|
||
if saveAX {
|
||
self.Emit("XCHGQ", ptr, _AX)
|
||
}
|
||
self.Sjmp("JMP", "_end_writeBarrier" + strconv.Itoa(i) + "_{n}")
|
||
self.Link("_no_writeBarrier" + strconv.Itoa(i) + "_{n}")
|
||
self.Emit("MOVQ", ptr, rec)
|
||
self.Link("_end_writeBarrier" + strconv.Itoa(i) + "_{n}")
|
||
} |