You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
1202 lines
46 KiB
1202 lines
46 KiB
//go:build go1.17 && !go1.21
|
|
// +build go1.17,!go1.21
|
|
|
|
/*
|
|
* Copyright 2021 ByteDance Inc.
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
package encoder
|
|
|
|
import (
|
|
`fmt`
|
|
`reflect`
|
|
`strconv`
|
|
`unsafe`
|
|
|
|
`github.com/bytedance/sonic/internal/cpu`
|
|
`github.com/bytedance/sonic/internal/jit`
|
|
`github.com/bytedance/sonic/internal/native/types`
|
|
`github.com/twitchyliquid64/golang-asm/obj`
|
|
`github.com/twitchyliquid64/golang-asm/obj/x86`
|
|
|
|
`github.com/bytedance/sonic/internal/native`
|
|
`github.com/bytedance/sonic/internal/rt`
|
|
)
|
|
|
|
/** Register Allocations
|
|
*
|
|
* State Registers:
|
|
*
|
|
* %rbx : stack base
|
|
* %rdi : result pointer
|
|
* %rsi : result length
|
|
* %rdx : result capacity
|
|
* %r12 : sp->p
|
|
* %r13 : sp->q
|
|
* %r14 : sp->x
|
|
* %r15 : sp->f
|
|
*
|
|
* Error Registers:
|
|
*
|
|
* %r10 : error type register
|
|
* %r11 : error pointer register
|
|
*/
|
|
|
|
/** Function Prototype & Stack Map
|
|
*
|
|
* func (buf *[]byte, p unsafe.Pointer, sb *_Stack, fv uint64) (err error)
|
|
*
|
|
* buf : (FP)
|
|
* p : 8(FP)
|
|
* sb : 16(FP)
|
|
* fv : 24(FP)
|
|
* err.vt : 32(FP)
|
|
* err.vp : 40(FP)
|
|
*/
|
|
|
|
const (
|
|
_S_cond = iota
|
|
_S_init
|
|
)
|
|
|
|
const (
|
|
_FP_args = 32 // 32 bytes for spill registers of arguments
|
|
_FP_fargs = 40 // 40 bytes for passing arguments to other Go functions
|
|
_FP_saves = 64 // 64 bytes for saving the registers before CALL instructions
|
|
_FP_locals = 24 // 24 bytes for local variables
|
|
)
|
|
|
|
const (
|
|
_FP_loffs = _FP_fargs + _FP_saves
|
|
_FP_offs = _FP_loffs + _FP_locals
|
|
// _FP_offs = _FP_loffs + _FP_locals + _FP_debug
|
|
_FP_size = _FP_offs + 8 // 8 bytes for the parent frame pointer
|
|
_FP_base = _FP_size + 8 // 8 bytes for the return address
|
|
)
|
|
|
|
const (
|
|
_FM_exp32 = 0x7f800000
|
|
_FM_exp64 = 0x7ff0000000000000
|
|
)
|
|
|
|
const (
|
|
_IM_null = 0x6c6c756e // 'null'
|
|
_IM_true = 0x65757274 // 'true'
|
|
_IM_fals = 0x736c6166 // 'fals' ('false' without the 'e')
|
|
_IM_open = 0x00225c22 // '"\"∅'
|
|
_IM_array = 0x5d5b // '[]'
|
|
_IM_object = 0x7d7b // '{}'
|
|
_IM_mulv = -0x5555555555555555
|
|
)
|
|
|
|
const (
|
|
_LB_more_space = "_more_space"
|
|
_LB_more_space_return = "_more_space_return_"
|
|
)
|
|
|
|
const (
|
|
_LB_error = "_error"
|
|
_LB_error_too_deep = "_error_too_deep"
|
|
_LB_error_invalid_number = "_error_invalid_number"
|
|
_LB_error_nan_or_infinite = "_error_nan_or_infinite"
|
|
_LB_panic = "_panic"
|
|
)
|
|
|
|
var (
|
|
_AX = jit.Reg("AX")
|
|
_BX = jit.Reg("BX")
|
|
_CX = jit.Reg("CX")
|
|
_DX = jit.Reg("DX")
|
|
_DI = jit.Reg("DI")
|
|
_SI = jit.Reg("SI")
|
|
_BP = jit.Reg("BP")
|
|
_SP = jit.Reg("SP")
|
|
_R8 = jit.Reg("R8")
|
|
_R9 = jit.Reg("R9")
|
|
)
|
|
|
|
var (
|
|
_X0 = jit.Reg("X0")
|
|
_Y0 = jit.Reg("Y0")
|
|
)
|
|
|
|
var (
|
|
_ST = jit.Reg("R15") // can't use R14 since it's always scratched by Go...
|
|
_RP = jit.Reg("DI")
|
|
_RL = jit.Reg("SI")
|
|
_RC = jit.Reg("DX")
|
|
)
|
|
|
|
var (
|
|
_LR = jit.Reg("R9")
|
|
_ET = jit.Reg("AX")
|
|
_EP = jit.Reg("BX")
|
|
)
|
|
|
|
var (
|
|
_SP_p = jit.Reg("R10") // saved on BX when call_c
|
|
_SP_q = jit.Reg("R11") // saved on BP when call_c
|
|
_SP_x = jit.Reg("R12")
|
|
_SP_f = jit.Reg("R13")
|
|
)
|
|
|
|
var (
|
|
_ARG_rb = jit.Ptr(_SP, _FP_base)
|
|
_ARG_vp = jit.Ptr(_SP, _FP_base + 8)
|
|
_ARG_sb = jit.Ptr(_SP, _FP_base + 16)
|
|
_ARG_fv = jit.Ptr(_SP, _FP_base + 24)
|
|
)
|
|
|
|
var (
|
|
_RET_et = _ET
|
|
_RET_ep = _EP
|
|
)
|
|
|
|
var (
|
|
_VAR_sp = jit.Ptr(_SP, _FP_fargs + _FP_saves)
|
|
_VAR_dn = jit.Ptr(_SP, _FP_fargs + _FP_saves + 8)
|
|
_VAR_vp = jit.Ptr(_SP, _FP_fargs + _FP_saves + 16)
|
|
)
|
|
|
|
var (
|
|
_REG_ffi = []obj.Addr{ _RP, _RL, _RC}
|
|
_REG_b64 = []obj.Addr{_SP_p, _SP_q}
|
|
|
|
_REG_all = []obj.Addr{_ST, _SP_x, _SP_f, _SP_p, _SP_q, _RP, _RL, _RC}
|
|
_REG_ms = []obj.Addr{_ST, _SP_x, _SP_f, _SP_p, _SP_q, _LR}
|
|
_REG_enc = []obj.Addr{_ST, _SP_x, _SP_f, _SP_p, _SP_q, _RL}
|
|
)
|
|
|
|
type _Assembler struct {
|
|
jit.BaseAssembler
|
|
p _Program
|
|
x int
|
|
name string
|
|
}
|
|
|
|
func newAssembler(p _Program) *_Assembler {
|
|
return new(_Assembler).Init(p)
|
|
}
|
|
|
|
/** Assembler Interface **/
|
|
|
|
func (self *_Assembler) Load() _Encoder {
|
|
return ptoenc(self.BaseAssembler.Load("encode_"+self.name, _FP_size, _FP_args, argPtrs, localPtrs))
|
|
}
|
|
|
|
func (self *_Assembler) Init(p _Program) *_Assembler {
|
|
self.p = p
|
|
self.BaseAssembler.Init(self.compile)
|
|
return self
|
|
}
|
|
|
|
func (self *_Assembler) compile() {
|
|
self.prologue()
|
|
self.instrs()
|
|
self.epilogue()
|
|
self.builtins()
|
|
}
|
|
|
|
/** Assembler Stages **/
|
|
|
|
var _OpFuncTab = [256]func(*_Assembler, *_Instr) {
|
|
_OP_null : (*_Assembler)._asm_OP_null,
|
|
_OP_empty_arr : (*_Assembler)._asm_OP_empty_arr,
|
|
_OP_empty_obj : (*_Assembler)._asm_OP_empty_obj,
|
|
_OP_bool : (*_Assembler)._asm_OP_bool,
|
|
_OP_i8 : (*_Assembler)._asm_OP_i8,
|
|
_OP_i16 : (*_Assembler)._asm_OP_i16,
|
|
_OP_i32 : (*_Assembler)._asm_OP_i32,
|
|
_OP_i64 : (*_Assembler)._asm_OP_i64,
|
|
_OP_u8 : (*_Assembler)._asm_OP_u8,
|
|
_OP_u16 : (*_Assembler)._asm_OP_u16,
|
|
_OP_u32 : (*_Assembler)._asm_OP_u32,
|
|
_OP_u64 : (*_Assembler)._asm_OP_u64,
|
|
_OP_f32 : (*_Assembler)._asm_OP_f32,
|
|
_OP_f64 : (*_Assembler)._asm_OP_f64,
|
|
_OP_str : (*_Assembler)._asm_OP_str,
|
|
_OP_bin : (*_Assembler)._asm_OP_bin,
|
|
_OP_quote : (*_Assembler)._asm_OP_quote,
|
|
_OP_number : (*_Assembler)._asm_OP_number,
|
|
_OP_eface : (*_Assembler)._asm_OP_eface,
|
|
_OP_iface : (*_Assembler)._asm_OP_iface,
|
|
_OP_byte : (*_Assembler)._asm_OP_byte,
|
|
_OP_text : (*_Assembler)._asm_OP_text,
|
|
_OP_deref : (*_Assembler)._asm_OP_deref,
|
|
_OP_index : (*_Assembler)._asm_OP_index,
|
|
_OP_load : (*_Assembler)._asm_OP_load,
|
|
_OP_save : (*_Assembler)._asm_OP_save,
|
|
_OP_drop : (*_Assembler)._asm_OP_drop,
|
|
_OP_drop_2 : (*_Assembler)._asm_OP_drop_2,
|
|
_OP_recurse : (*_Assembler)._asm_OP_recurse,
|
|
_OP_is_nil : (*_Assembler)._asm_OP_is_nil,
|
|
_OP_is_nil_p1 : (*_Assembler)._asm_OP_is_nil_p1,
|
|
_OP_is_zero_1 : (*_Assembler)._asm_OP_is_zero_1,
|
|
_OP_is_zero_2 : (*_Assembler)._asm_OP_is_zero_2,
|
|
_OP_is_zero_4 : (*_Assembler)._asm_OP_is_zero_4,
|
|
_OP_is_zero_8 : (*_Assembler)._asm_OP_is_zero_8,
|
|
_OP_is_zero_map : (*_Assembler)._asm_OP_is_zero_map,
|
|
_OP_goto : (*_Assembler)._asm_OP_goto,
|
|
_OP_map_iter : (*_Assembler)._asm_OP_map_iter,
|
|
_OP_map_stop : (*_Assembler)._asm_OP_map_stop,
|
|
_OP_map_check_key : (*_Assembler)._asm_OP_map_check_key,
|
|
_OP_map_write_key : (*_Assembler)._asm_OP_map_write_key,
|
|
_OP_map_value_next : (*_Assembler)._asm_OP_map_value_next,
|
|
_OP_slice_len : (*_Assembler)._asm_OP_slice_len,
|
|
_OP_slice_next : (*_Assembler)._asm_OP_slice_next,
|
|
_OP_marshal : (*_Assembler)._asm_OP_marshal,
|
|
_OP_marshal_p : (*_Assembler)._asm_OP_marshal_p,
|
|
_OP_marshal_text : (*_Assembler)._asm_OP_marshal_text,
|
|
_OP_marshal_text_p : (*_Assembler)._asm_OP_marshal_text_p,
|
|
_OP_cond_set : (*_Assembler)._asm_OP_cond_set,
|
|
_OP_cond_testc : (*_Assembler)._asm_OP_cond_testc,
|
|
}
|
|
|
|
func (self *_Assembler) instr(v *_Instr) {
|
|
if fn := _OpFuncTab[v.op()]; fn != nil {
|
|
fn(self, v)
|
|
} else {
|
|
panic(fmt.Sprintf("invalid opcode: %d", v.op()))
|
|
}
|
|
}
|
|
|
|
func (self *_Assembler) instrs() {
|
|
for i, v := range self.p {
|
|
self.Mark(i)
|
|
self.instr(&v)
|
|
self.debug_instr(i, &v)
|
|
}
|
|
}
|
|
|
|
func (self *_Assembler) builtins() {
|
|
self.more_space()
|
|
self.error_too_deep()
|
|
self.error_invalid_number()
|
|
self.error_nan_or_infinite()
|
|
self.go_panic()
|
|
}
|
|
|
|
func (self *_Assembler) epilogue() {
|
|
self.Mark(len(self.p))
|
|
self.Emit("XORL", _ET, _ET)
|
|
self.Emit("XORL", _EP, _EP)
|
|
self.Link(_LB_error)
|
|
self.Emit("MOVQ", _ARG_rb, _CX) // MOVQ rb<>+0(FP), CX
|
|
self.Emit("MOVQ", _RL, jit.Ptr(_CX, 8)) // MOVQ RL, 8(CX)
|
|
self.Emit("MOVQ", jit.Imm(0), _ARG_rb) // MOVQ AX, rb<>+0(FP)
|
|
self.Emit("MOVQ", jit.Imm(0), _ARG_vp) // MOVQ BX, vp<>+8(FP)
|
|
self.Emit("MOVQ", jit.Imm(0), _ARG_sb) // MOVQ CX, sb<>+16(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_rb) // MOVQ AX, rb<>+0(FP)
|
|
self.Emit("MOVQ", _BX, _ARG_vp) // MOVQ BX, vp<>+8(FP)
|
|
self.Emit("MOVQ", _CX, _ARG_sb) // MOVQ CX, sb<>+16(FP)
|
|
self.Emit("MOVQ", _DI, _ARG_fv) // MOVQ DI, rb<>+24(FP)
|
|
self.Emit("MOVQ", jit.Ptr(_AX, 0), _RP) // MOVQ (AX) , DI
|
|
self.Emit("MOVQ", jit.Ptr(_AX, 8), _RL) // MOVQ 8(AX) , SI
|
|
self.Emit("MOVQ", jit.Ptr(_AX, 16), _RC) // MOVQ 16(AX), DX
|
|
self.Emit("MOVQ", _BX, _SP_p) // MOVQ BX, R10
|
|
self.Emit("MOVQ", _CX, _ST) // MOVQ CX, R8
|
|
self.Emit("XORL", _SP_x, _SP_x) // XORL R10, R12
|
|
self.Emit("XORL", _SP_f, _SP_f) // XORL R11, R13
|
|
self.Emit("XORL", _SP_q, _SP_q) // XORL R13, R11
|
|
}
|
|
|
|
/** Assembler Inline Functions **/
|
|
|
|
func (self *_Assembler) xsave(reg ...obj.Addr) {
|
|
for i, v := range reg {
|
|
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) xload(reg ...obj.Addr) {
|
|
for i, v := range reg {
|
|
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) rbuf_di() {
|
|
if _RP.Reg != x86.REG_DI {
|
|
panic("register allocation messed up: RP != DI")
|
|
} else {
|
|
self.Emit("ADDQ", _RL, _RP)
|
|
}
|
|
}
|
|
|
|
func (self *_Assembler) store_int(nd int, fn obj.Addr, ins string) {
|
|
self.check_size(nd)
|
|
self.save_c() // SAVE $C_regs
|
|
self.rbuf_di() // MOVQ RP, DI
|
|
self.Emit(ins, jit.Ptr(_SP_p, 0), _SI) // $ins (SP.p), SI
|
|
self.call_c(fn) // CALL_C $fn
|
|
self.Emit("ADDQ", _AX, _RL) // ADDQ AX, RL
|
|
}
|
|
|
|
func (self *_Assembler) store_str(s string) {
|
|
i := 0
|
|
m := rt.Str2Mem(s)
|
|
|
|
/* 8-byte stores */
|
|
for i <= len(m) - 8 {
|
|
self.Emit("MOVQ", jit.Imm(rt.Get64(m[i:])), _AX) // MOVQ $s[i:], AX
|
|
self.Emit("MOVQ", _AX, jit.Sib(_RP, _RL, 1, int64(i))) // MOVQ AX, i(RP)(RL)
|
|
i += 8
|
|
}
|
|
|
|
/* 4-byte stores */
|
|
if i <= len(m) - 4 {
|
|
self.Emit("MOVL", jit.Imm(int64(rt.Get32(m[i:]))), jit.Sib(_RP, _RL, 1, int64(i))) // MOVL $s[i:], i(RP)(RL)
|
|
i += 4
|
|
}
|
|
|
|
/* 2-byte stores */
|
|
if i <= len(m) - 2 {
|
|
self.Emit("MOVW", jit.Imm(int64(rt.Get16(m[i:]))), jit.Sib(_RP, _RL, 1, int64(i))) // MOVW $s[i:], i(RP)(RL)
|
|
i += 2
|
|
}
|
|
|
|
/* last byte */
|
|
if i < len(m) {
|
|
self.Emit("MOVB", jit.Imm(int64(m[i])), jit.Sib(_RP, _RL, 1, int64(i))) // MOVB $s[i:], i(RP)(RL)
|
|
}
|
|
}
|
|
|
|
func (self *_Assembler) check_size(n int) {
|
|
self.check_size_rl(jit.Ptr(_RL, int64(n)))
|
|
}
|
|
|
|
func (self *_Assembler) check_size_r(r obj.Addr, d int) {
|
|
self.check_size_rl(jit.Sib(_RL, r, 1, int64(d)))
|
|
}
|
|
|
|
func (self *_Assembler) check_size_rl(v obj.Addr) {
|
|
idx := self.x
|
|
key := _LB_more_space_return + strconv.Itoa(idx)
|
|
|
|
/* the following code relies on LR == R9 to work */
|
|
if _LR.Reg != x86.REG_R9 {
|
|
panic("register allocation messed up: LR != R9")
|
|
}
|
|
|
|
/* check for buffer capacity */
|
|
self.x++
|
|
self.Emit("LEAQ", v, _AX) // LEAQ $v, AX
|
|
self.Emit("CMPQ", _AX, _RC) // CMPQ AX, RC
|
|
self.Sjmp("JBE" , key) // JBE _more_space_return_{n}
|
|
self.slice_grow_ax(key) // GROW $key
|
|
self.Link(key) // _more_space_return_{n}:
|
|
}
|
|
|
|
func (self *_Assembler) slice_grow_ax(ret string) {
|
|
self.Byte(0x4c, 0x8d, 0x0d) // LEAQ ?(PC), R9
|
|
self.Sref(ret, 4) // .... &ret
|
|
self.Sjmp("JMP" , _LB_more_space) // JMP _more_space
|
|
}
|
|
|
|
/** State Stack Helpers **/
|
|
|
|
const (
|
|
_StateSize = int64(unsafe.Sizeof(_State{}))
|
|
_StackLimit = _MaxStack * _StateSize
|
|
)
|
|
|
|
func (self *_Assembler) save_state() {
|
|
self.Emit("MOVQ", jit.Ptr(_ST, 0), _CX) // MOVQ (ST), CX
|
|
self.Emit("LEAQ", jit.Ptr(_CX, _StateSize), _R9) // LEAQ _StateSize(CX), R9
|
|
self.Emit("CMPQ", _R9, jit.Imm(_StackLimit)) // CMPQ R9, $_StackLimit
|
|
self.Sjmp("JAE" , _LB_error_too_deep) // JA _error_too_deep
|
|
self.Emit("MOVQ", _SP_x, jit.Sib(_ST, _CX, 1, 8)) // MOVQ SP.x, 8(ST)(CX)
|
|
self.Emit("MOVQ", _SP_f, jit.Sib(_ST, _CX, 1, 16)) // MOVQ SP.f, 16(ST)(CX)
|
|
self.WriteRecNotAX(0, _SP_p, jit.Sib(_ST, _CX, 1, 24)) // MOVQ SP.p, 24(ST)(CX)
|
|
self.WriteRecNotAX(1, _SP_q, jit.Sib(_ST, _CX, 1, 32)) // MOVQ SP.q, 32(ST)(CX)
|
|
self.Emit("MOVQ", _R9, jit.Ptr(_ST, 0)) // MOVQ R9, (ST)
|
|
}
|
|
|
|
func (self *_Assembler) drop_state(decr int64) {
|
|
self.Emit("MOVQ" , jit.Ptr(_ST, 0), _AX) // MOVQ (ST), AX
|
|
self.Emit("SUBQ" , jit.Imm(decr), _AX) // SUBQ $decr, AX
|
|
self.Emit("MOVQ" , _AX, jit.Ptr(_ST, 0)) // MOVQ AX, (ST)
|
|
self.Emit("MOVQ" , jit.Sib(_ST, _AX, 1, 8), _SP_x) // MOVQ 8(ST)(AX), SP.x
|
|
self.Emit("MOVQ" , jit.Sib(_ST, _AX, 1, 16), _SP_f) // MOVQ 16(ST)(AX), SP.f
|
|
self.Emit("MOVQ" , jit.Sib(_ST, _AX, 1, 24), _SP_p) // MOVQ 24(ST)(AX), SP.p
|
|
self.Emit("MOVQ" , jit.Sib(_ST, _AX, 1, 32), _SP_q) // MOVQ 32(ST)(AX), SP.q
|
|
self.Emit("PXOR" , _X0, _X0) // PXOR X0, X0
|
|
self.Emit("MOVOU", _X0, jit.Sib(_ST, _AX, 1, 8)) // MOVOU X0, 8(ST)(AX)
|
|
self.Emit("MOVOU", _X0, jit.Sib(_ST, _AX, 1, 24)) // MOVOU X0, 24(ST)(AX)
|
|
}
|
|
|
|
/** Buffer Helpers **/
|
|
|
|
func (self *_Assembler) add_char(ch byte) {
|
|
self.Emit("MOVB", jit.Imm(int64(ch)), jit.Sib(_RP, _RL, 1, 0)) // MOVB $ch, (RP)(RL)
|
|
self.Emit("ADDQ", jit.Imm(1), _RL) // ADDQ $1, RL
|
|
}
|
|
|
|
func (self *_Assembler) add_long(ch uint32, n int64) {
|
|
self.Emit("MOVL", jit.Imm(int64(ch)), jit.Sib(_RP, _RL, 1, 0)) // MOVL $ch, (RP)(RL)
|
|
self.Emit("ADDQ", jit.Imm(n), _RL) // ADDQ $n, RL
|
|
}
|
|
|
|
func (self *_Assembler) add_text(ss string) {
|
|
self.store_str(ss) // TEXT $ss
|
|
self.Emit("ADDQ", jit.Imm(int64(len(ss))), _RL) // ADDQ ${len(ss)}, RL
|
|
}
|
|
|
|
// get *buf at AX
|
|
func (self *_Assembler) prep_buffer_AX() {
|
|
self.Emit("MOVQ", _ARG_rb, _AX) // MOVQ rb<>+0(FP), AX
|
|
self.Emit("MOVQ", _RL, jit.Ptr(_AX, 8)) // MOVQ RL, 8(AX)
|
|
}
|
|
|
|
func (self *_Assembler) save_buffer() {
|
|
self.Emit("MOVQ", _ARG_rb, _CX) // MOVQ rb<>+0(FP), CX
|
|
self.Emit("MOVQ", _RP, jit.Ptr(_CX, 0)) // MOVQ RP, (CX)
|
|
self.Emit("MOVQ", _RL, jit.Ptr(_CX, 8)) // MOVQ RL, 8(CX)
|
|
self.Emit("MOVQ", _RC, jit.Ptr(_CX, 16)) // MOVQ RC, 16(CX)
|
|
}
|
|
|
|
// get *buf at AX
|
|
func (self *_Assembler) load_buffer_AX() {
|
|
self.Emit("MOVQ", _ARG_rb, _AX) // MOVQ rb<>+0(FP), AX
|
|
self.Emit("MOVQ", jit.Ptr(_AX, 0), _RP) // MOVQ (AX), RP
|
|
self.Emit("MOVQ", jit.Ptr(_AX, 8), _RL) // MOVQ 8(AX), RL
|
|
self.Emit("MOVQ", jit.Ptr(_AX, 16), _RC) // MOVQ 16(AX), RC
|
|
}
|
|
|
|
/** Function Interface Helpers **/
|
|
|
|
func (self *_Assembler) call(pc obj.Addr) {
|
|
self.Emit("MOVQ", pc, _LR) // MOVQ $pc, AX
|
|
self.Rjmp("CALL", _LR) // CALL AX
|
|
}
|
|
|
|
func (self *_Assembler) save_c() {
|
|
self.xsave(_REG_ffi...) // SAVE $REG_ffi
|
|
}
|
|
|
|
func (self *_Assembler) call_b64(pc obj.Addr) {
|
|
self.xsave(_REG_b64...) // SAVE $REG_all
|
|
self.call(pc) // CALL $pc
|
|
self.xload(_REG_b64...) // LOAD $REG_ffi
|
|
}
|
|
|
|
func (self *_Assembler) call_c(pc obj.Addr) {
|
|
self.Emit("XCHGQ", _SP_p, _BX)
|
|
self.Emit("XCHGQ", _SP_q, _BP)
|
|
self.call(pc) // CALL $pc
|
|
self.xload(_REG_ffi...) // LOAD $REG_ffi
|
|
self.Emit("XCHGQ", _SP_p, _BX)
|
|
self.Emit("XCHGQ", _SP_q, _BP)
|
|
}
|
|
|
|
func (self *_Assembler) call_go(pc obj.Addr) {
|
|
self.xsave(_REG_all...) // SAVE $REG_all
|
|
self.call(pc) // CALL $pc
|
|
self.xload(_REG_all...) // LOAD $REG_all
|
|
}
|
|
|
|
func (self *_Assembler) call_more_space(pc obj.Addr) {
|
|
self.xsave(_REG_ms...) // SAVE $REG_all
|
|
self.call(pc) // CALL $pc
|
|
self.xload(_REG_ms...) // LOAD $REG_all
|
|
}
|
|
|
|
func (self *_Assembler) call_encoder(pc obj.Addr) {
|
|
self.xsave(_REG_enc...) // SAVE $REG_all
|
|
self.call(pc) // CALL $pc
|
|
self.xload(_REG_enc...) // LOAD $REG_all
|
|
}
|
|
|
|
func (self *_Assembler) call_marshaler(fn obj.Addr, it *rt.GoType, vt reflect.Type) {
|
|
switch vt.Kind() {
|
|
case reflect.Interface : self.call_marshaler_i(fn, it)
|
|
case reflect.Ptr, reflect.Map : self.call_marshaler_v(fn, it, vt, true)
|
|
// struct/array of 1 direct iface type can be direct
|
|
default : self.call_marshaler_v(fn, it, vt, !rt.UnpackType(vt).Indirect())
|
|
}
|
|
}
|
|
|
|
func (self *_Assembler) call_marshaler_i(fn obj.Addr, it *rt.GoType) {
|
|
self.Emit("MOVQ" , jit.Ptr(_SP_p, 0), _AX) // MOVQ (SP.p), AX
|
|
self.Emit("TESTQ", _AX, _AX) // TESTQ AX, AX
|
|
self.Sjmp("JZ" , "_null_{n}") // JZ _null_{n}
|
|
self.Emit("MOVQ" , _AX, _BX) // MOVQ AX, BX
|
|
self.Emit("MOVQ" , jit.Ptr(_SP_p, 8), _CX) // MOVQ 8(SP.p), CX
|
|
self.Emit("MOVQ" , jit.Gtype(it), _AX) // MOVQ $it, AX
|
|
self.call_go(_F_assertI2I) // CALL_GO assertI2I
|
|
self.Emit("TESTQ", _AX, _AX) // TESTQ AX, AX
|
|
self.Sjmp("JZ" , "_null_{n}") // JZ _null_{n}
|
|
self.Emit("MOVQ", _BX, _CX) // MOVQ BX, CX
|
|
self.Emit("MOVQ", _AX, _BX) // MOVQ AX, BX
|
|
self.prep_buffer_AX()
|
|
self.Emit("MOVQ", _ARG_fv, _DI) // MOVQ ARG.fv, DI
|
|
self.call_go(fn) // CALL $fn
|
|
self.Emit("TESTQ", _ET, _ET) // TESTQ ET, ET
|
|
self.Sjmp("JNZ" , _LB_error) // JNZ _error
|
|
self.load_buffer_AX()
|
|
self.Sjmp("JMP" , "_done_{n}") // JMP _done_{n}
|
|
self.Link("_null_{n}") // _null_{n}:
|
|
self.check_size(4) // SIZE $4
|
|
self.Emit("MOVL", jit.Imm(_IM_null), jit.Sib(_RP, _RL, 1, 0)) // MOVL $'null', (RP)(RL*1)
|
|
self.Emit("ADDQ", jit.Imm(4), _RL) // ADDQ $4, RL
|
|
self.Link("_done_{n}") // _done_{n}:
|
|
}
|
|
|
|
func (self *_Assembler) call_marshaler_v(fn obj.Addr, it *rt.GoType, vt reflect.Type, deref bool) {
|
|
self.prep_buffer_AX() // MOVE {buf}, (SP)
|
|
self.Emit("MOVQ", jit.Itab(it, vt), _BX) // MOVQ $(itab(it, vt)), BX
|
|
|
|
/* dereference the pointer if needed */
|
|
if !deref {
|
|
self.Emit("MOVQ", _SP_p, _CX) // MOVQ SP.p, CX
|
|
} else {
|
|
self.Emit("MOVQ", jit.Ptr(_SP_p, 0), _CX) // MOVQ 0(SP.p), CX
|
|
}
|
|
|
|
/* call the encoder, and perform error checks */
|
|
self.Emit("MOVQ", _ARG_fv, _DI) // MOVQ ARG.fv, DI
|
|
self.call_go(fn) // CALL $fn
|
|
self.Emit("TESTQ", _ET, _ET) // TESTQ ET, ET
|
|
self.Sjmp("JNZ" , _LB_error) // JNZ _error
|
|
self.load_buffer_AX()
|
|
}
|
|
|
|
/** Builtin: _more_space **/
|
|
|
|
var (
|
|
_T_byte = jit.Type(byteType)
|
|
_F_growslice = jit.Func(growslice)
|
|
)
|
|
|
|
// AX must saving n
|
|
func (self *_Assembler) more_space() {
|
|
self.Link(_LB_more_space)
|
|
self.Emit("MOVQ", _RP, _BX) // MOVQ DI, BX
|
|
self.Emit("MOVQ", _RL, _CX) // MOVQ SI, CX
|
|
self.Emit("MOVQ", _RC, _DI) // MOVQ DX, DI
|
|
self.Emit("MOVQ", _AX, _SI) // MOVQ AX, SI
|
|
self.Emit("MOVQ", _T_byte, _AX) // MOVQ $_T_byte, AX
|
|
self.call_more_space(_F_growslice) // CALL $pc
|
|
self.Emit("MOVQ", _AX, _RP) // MOVQ AX, DI
|
|
self.Emit("MOVQ", _BX, _RL) // MOVQ BX, SI
|
|
self.Emit("MOVQ", _CX, _RC) // MOVQ CX, DX
|
|
self.save_buffer() // SAVE {buf}
|
|
self.Rjmp("JMP" , _LR) // JMP LR
|
|
}
|
|
|
|
/** Builtin Errors **/
|
|
|
|
var (
|
|
_V_ERR_too_deep = jit.Imm(int64(uintptr(unsafe.Pointer(_ERR_too_deep))))
|
|
_V_ERR_nan_or_infinite = jit.Imm(int64(uintptr(unsafe.Pointer(_ERR_nan_or_infinite))))
|
|
_I_json_UnsupportedValueError = jit.Itab(rt.UnpackType(errorType), jsonUnsupportedValueType)
|
|
)
|
|
|
|
func (self *_Assembler) error_too_deep() {
|
|
self.Link(_LB_error_too_deep)
|
|
self.Emit("MOVQ", _V_ERR_too_deep, _EP) // MOVQ $_V_ERR_too_deep, EP
|
|
self.Emit("MOVQ", _I_json_UnsupportedValueError, _ET) // MOVQ $_I_json_UnsupportedValuError, ET
|
|
self.Sjmp("JMP" , _LB_error) // JMP _error
|
|
}
|
|
|
|
func (self *_Assembler) error_invalid_number() {
|
|
self.Link(_LB_error_invalid_number)
|
|
self.Emit("MOVQ", jit.Ptr(_SP_p, 0), _AX) // MOVQ 0(SP), AX
|
|
self.Emit("MOVQ", jit.Ptr(_SP_p, 8), _BX) // MOVQ 8(SP), BX
|
|
self.call_go(_F_error_number) // CALL_GO error_number
|
|
self.Sjmp("JMP" , _LB_error) // JMP _error
|
|
}
|
|
|
|
func (self *_Assembler) error_nan_or_infinite() {
|
|
self.Link(_LB_error_nan_or_infinite)
|
|
self.Emit("MOVQ", _V_ERR_nan_or_infinite, _EP) // MOVQ $_V_ERR_nan_or_infinite, EP
|
|
self.Emit("MOVQ", _I_json_UnsupportedValueError, _ET) // MOVQ $_I_json_UnsupportedValuError, ET
|
|
self.Sjmp("JMP" , _LB_error) // JMP _error
|
|
}
|
|
|
|
/** String Encoding Routine **/
|
|
|
|
var (
|
|
_F_quote = jit.Imm(int64(native.S_quote))
|
|
_F_panic = jit.Func(goPanic)
|
|
)
|
|
|
|
func (self *_Assembler) go_panic() {
|
|
self.Link(_LB_panic)
|
|
self.Emit("MOVQ", _SP_p, _BX)
|
|
self.call_go(_F_panic)
|
|
}
|
|
|
|
func (self *_Assembler) encode_string(doubleQuote bool) {
|
|
self.Emit("MOVQ" , jit.Ptr(_SP_p, 8), _AX) // MOVQ 8(SP.p), AX
|
|
self.Emit("TESTQ", _AX, _AX) // TESTQ AX, AX
|
|
self.Sjmp("JZ" , "_str_empty_{n}") // JZ _str_empty_{n}
|
|
self.Emit("CMPQ", jit.Ptr(_SP_p, 0), jit.Imm(0))
|
|
self.Sjmp("JNE" , "_str_next_{n}")
|
|
self.Emit("MOVQ", jit.Imm(int64(panicNilPointerOfNonEmptyString)), _AX)
|
|
self.Sjmp("JMP", _LB_panic)
|
|
self.Link("_str_next_{n}")
|
|
|
|
/* openning quote, check for double quote */
|
|
if !doubleQuote {
|
|
self.check_size_r(_AX, 2) // SIZE $2
|
|
self.add_char('"') // CHAR $'"'
|
|
} else {
|
|
self.check_size_r(_AX, 6) // SIZE $6
|
|
self.add_long(_IM_open, 3) // TEXT $`"\"`
|
|
}
|
|
|
|
/* quoting loop */
|
|
self.Emit("XORL", _AX, _AX) // XORL AX, AX
|
|
self.Emit("MOVQ", _AX, _VAR_sp) // MOVQ AX, sp
|
|
self.Link("_str_loop_{n}") // _str_loop_{n}:
|
|
self.save_c() // SAVE $REG_ffi
|
|
|
|
/* load the output buffer first, and then input buffer,
|
|
* because the parameter registers collide with RP / RL / RC */
|
|
self.Emit("MOVQ", _RC, _CX) // MOVQ RC, CX
|
|
self.Emit("SUBQ", _RL, _CX) // SUBQ RL, CX
|
|
self.Emit("MOVQ", _CX, _VAR_dn) // MOVQ CX, dn
|
|
self.Emit("LEAQ", jit.Sib(_RP, _RL, 1, 0), _DX) // LEAQ (RP)(RL), DX
|
|
self.Emit("LEAQ", _VAR_dn, _CX) // LEAQ dn, CX
|
|
self.Emit("MOVQ", _VAR_sp, _AX) // MOVQ sp, AX
|
|
self.Emit("MOVQ", jit.Ptr(_SP_p, 0), _DI) // MOVQ (SP.p), DI
|
|
self.Emit("MOVQ", jit.Ptr(_SP_p, 8), _SI) // MOVQ 8(SP.p), SI
|
|
self.Emit("ADDQ", _AX, _DI) // ADDQ AX, DI
|
|
self.Emit("SUBQ", _AX, _SI) // SUBQ AX, SI
|
|
|
|
/* set the flags based on `doubleQuote` */
|
|
if !doubleQuote {
|
|
self.Emit("XORL", _R8, _R8) // XORL R8, R8
|
|
} else {
|
|
self.Emit("MOVL", jit.Imm(types.F_DOUBLE_UNQUOTE), _R8) // MOVL ${types.F_DOUBLE_UNQUOTE}, R8
|
|
}
|
|
|
|
/* call the native quoter */
|
|
self.call_c(_F_quote) // CALL quote
|
|
self.Emit("ADDQ" , _VAR_dn, _RL) // ADDQ dn, RL
|
|
|
|
self.Emit("TESTQ", _AX, _AX) // TESTQ AX, AX
|
|
self.Sjmp("JS" , "_str_space_{n}") // JS _str_space_{n}
|
|
|
|
/* close the string, check for double quote */
|
|
if !doubleQuote {
|
|
self.check_size(1) // SIZE $1
|
|
self.add_char('"') // CHAR $'"'
|
|
self.Sjmp("JMP", "_str_end_{n}") // JMP _str_end_{n}
|
|
} else {
|
|
self.check_size(3) // SIZE $3
|
|
self.add_text("\\\"\"") // TEXT $'\""'
|
|
self.Sjmp("JMP", "_str_end_{n}") // JMP _str_end_{n}
|
|
}
|
|
|
|
/* not enough space to contain the quoted string */
|
|
self.Link("_str_space_{n}") // _str_space_{n}:
|
|
self.Emit("NOTQ", _AX) // NOTQ AX
|
|
self.Emit("ADDQ", _AX, _VAR_sp) // ADDQ AX, sp
|
|
self.Emit("LEAQ", jit.Sib(_RC, _RC, 1, 0), _AX) // LEAQ (RC)(RC), AX
|
|
self.slice_grow_ax("_str_loop_{n}") // GROW _str_loop_{n}
|
|
|
|
/* empty string, check for double quote */
|
|
if !doubleQuote {
|
|
self.Link("_str_empty_{n}") // _str_empty_{n}:
|
|
self.check_size(2) // SIZE $2
|
|
self.add_text("\"\"") // TEXT $'""'
|
|
self.Link("_str_end_{n}") // _str_end_{n}:
|
|
} else {
|
|
self.Link("_str_empty_{n}") // _str_empty_{n}:
|
|
self.check_size(6) // SIZE $6
|
|
self.add_text("\"\\\"\\\"\"") // TEXT $'"\"\""'
|
|
self.Link("_str_end_{n}") // _str_end_{n}:
|
|
}
|
|
}
|
|
|
|
/** OpCode Assembler Functions **/
|
|
|
|
var (
|
|
_T_json_Marshaler = rt.UnpackType(jsonMarshalerType)
|
|
_T_encoding_TextMarshaler = rt.UnpackType(encodingTextMarshalerType)
|
|
)
|
|
|
|
var (
|
|
_F_f64toa = jit.Imm(int64(native.S_f64toa))
|
|
_F_f32toa = jit.Imm(int64(native.S_f32toa))
|
|
_F_i64toa = jit.Imm(int64(native.S_i64toa))
|
|
_F_u64toa = jit.Imm(int64(native.S_u64toa))
|
|
_F_b64encode = jit.Imm(int64(_subr__b64encode))
|
|
)
|
|
|
|
var (
|
|
_F_memmove = jit.Func(memmove)
|
|
_F_error_number = jit.Func(error_number)
|
|
_F_isValidNumber = jit.Func(isValidNumber)
|
|
)
|
|
|
|
var (
|
|
_F_iteratorStop = jit.Func(iteratorStop)
|
|
_F_iteratorNext = jit.Func(iteratorNext)
|
|
_F_iteratorStart = jit.Func(iteratorStart)
|
|
)
|
|
|
|
var (
|
|
_F_encodeTypedPointer obj.Addr
|
|
_F_encodeJsonMarshaler obj.Addr
|
|
_F_encodeTextMarshaler obj.Addr
|
|
)
|
|
|
|
const (
|
|
_MODE_AVX2 = 1 << 2
|
|
)
|
|
|
|
func init() {
|
|
_F_encodeTypedPointer = jit.Func(encodeTypedPointer)
|
|
_F_encodeJsonMarshaler = jit.Func(encodeJsonMarshaler)
|
|
_F_encodeTextMarshaler = jit.Func(encodeTextMarshaler)
|
|
}
|
|
|
|
func (self *_Assembler) _asm_OP_null(_ *_Instr) {
|
|
self.check_size(4)
|
|
self.Emit("MOVL", jit.Imm(_IM_null), jit.Sib(_RP, _RL, 1, 0)) // MOVL $'null', (RP)(RL*1)
|
|
self.Emit("ADDQ", jit.Imm(4), _RL) // ADDQ $4, RL
|
|
}
|
|
|
|
func (self *_Assembler) _asm_OP_empty_arr(_ *_Instr) {
|
|
self.Emit("BTQ", jit.Imm(int64(bitNoNullSliceOrMap)), _ARG_fv)
|
|
self.Sjmp("JC", "_empty_arr_{n}")
|
|
self._asm_OP_null(nil)
|
|
self.Sjmp("JMP", "_empty_arr_end_{n}")
|
|
self.Link("_empty_arr_{n}")
|
|
self.check_size(2)
|
|
self.Emit("MOVW", jit.Imm(_IM_array), jit.Sib(_RP, _RL, 1, 0))
|
|
self.Emit("ADDQ", jit.Imm(2), _RL)
|
|
self.Link("_empty_arr_end_{n}")
|
|
}
|
|
|
|
func (self *_Assembler) _asm_OP_empty_obj(_ *_Instr) {
|
|
self.Emit("BTQ", jit.Imm(int64(bitNoNullSliceOrMap)), _ARG_fv)
|
|
self.Sjmp("JC", "_empty_obj_{n}")
|
|
self._asm_OP_null(nil)
|
|
self.Sjmp("JMP", "_empty_obj_end_{n}")
|
|
self.Link("_empty_obj_{n}")
|
|
self.check_size(2)
|
|
self.Emit("MOVW", jit.Imm(_IM_object), jit.Sib(_RP, _RL, 1, 0))
|
|
self.Emit("ADDQ", jit.Imm(2), _RL)
|
|
self.Link("_empty_obj_end_{n}")
|
|
}
|
|
|
|
func (self *_Assembler) _asm_OP_bool(_ *_Instr) {
|
|
self.Emit("CMPB", jit.Ptr(_SP_p, 0), jit.Imm(0)) // CMPB (SP.p), $0
|
|
self.Sjmp("JE" , "_false_{n}") // JE _false_{n}
|
|
self.check_size(4) // SIZE $4
|
|
self.Emit("MOVL", jit.Imm(_IM_true), jit.Sib(_RP, _RL, 1, 0)) // MOVL $'true', (RP)(RL*1)
|
|
self.Emit("ADDQ", jit.Imm(4), _RL) // ADDQ $4, RL
|
|
self.Sjmp("JMP" , "_end_{n}") // JMP _end_{n}
|
|
self.Link("_false_{n}") // _false_{n}:
|
|
self.check_size(5) // SIZE $5
|
|
self.Emit("MOVL", jit.Imm(_IM_fals), jit.Sib(_RP, _RL, 1, 0)) // MOVL $'fals', (RP)(RL*1)
|
|
self.Emit("MOVB", jit.Imm('e'), jit.Sib(_RP, _RL, 1, 4)) // MOVB $'e', 4(RP)(RL*1)
|
|
self.Emit("ADDQ", jit.Imm(5), _RL) // ADDQ $5, RL
|
|
self.Link("_end_{n}") // _end_{n}:
|
|
}
|
|
|
|
func (self *_Assembler) _asm_OP_i8(_ *_Instr) {
|
|
self.store_int(4, _F_i64toa, "MOVBQSX")
|
|
}
|
|
|
|
func (self *_Assembler) _asm_OP_i16(_ *_Instr) {
|
|
self.store_int(6, _F_i64toa, "MOVWQSX")
|
|
}
|
|
|
|
func (self *_Assembler) _asm_OP_i32(_ *_Instr) {
|
|
self.store_int(17, _F_i64toa, "MOVLQSX")
|
|
}
|
|
|
|
func (self *_Assembler) _asm_OP_i64(_ *_Instr) {
|
|
self.store_int(21, _F_i64toa, "MOVQ")
|
|
}
|
|
|
|
func (self *_Assembler) _asm_OP_u8(_ *_Instr) {
|
|
self.store_int(3, _F_u64toa, "MOVBQZX")
|
|
}
|
|
|
|
func (self *_Assembler) _asm_OP_u16(_ *_Instr) {
|
|
self.store_int(5, _F_u64toa, "MOVWQZX")
|
|
}
|
|
|
|
func (self *_Assembler) _asm_OP_u32(_ *_Instr) {
|
|
self.store_int(16, _F_u64toa, "MOVLQZX")
|
|
}
|
|
|
|
func (self *_Assembler) _asm_OP_u64(_ *_Instr) {
|
|
self.store_int(20, _F_u64toa, "MOVQ")
|
|
}
|
|
|
|
func (self *_Assembler) _asm_OP_f32(_ *_Instr) {
|
|
self.check_size(32)
|
|
self.Emit("MOVL" , jit.Ptr(_SP_p, 0), _AX) // MOVL (SP.p), AX
|
|
self.Emit("ANDL" , jit.Imm(_FM_exp32), _AX) // ANDL $_FM_exp32, AX
|
|
self.Emit("XORL" , jit.Imm(_FM_exp32), _AX) // XORL $_FM_exp32, AX
|
|
self.Sjmp("JZ" , _LB_error_nan_or_infinite) // JZ _error_nan_or_infinite
|
|
self.save_c() // SAVE $C_regs
|
|
self.rbuf_di() // MOVQ RP, DI
|
|
self.Emit("MOVSS" , jit.Ptr(_SP_p, 0), _X0) // MOVSS (SP.p), X0
|
|
self.call_c(_F_f32toa) // CALL_C f64toa
|
|
self.Emit("ADDQ" , _AX, _RL) // ADDQ AX, RL
|
|
}
|
|
|
|
func (self *_Assembler) _asm_OP_f64(_ *_Instr) {
|
|
self.check_size(32)
|
|
self.Emit("MOVQ" , jit.Ptr(_SP_p, 0), _AX) // MOVQ (SP.p), AX
|
|
self.Emit("MOVQ" , jit.Imm(_FM_exp64), _CX) // MOVQ $_FM_exp64, CX
|
|
self.Emit("ANDQ" , _CX, _AX) // ANDQ CX, AX
|
|
self.Emit("XORQ" , _CX, _AX) // XORQ CX, AX
|
|
self.Sjmp("JZ" , _LB_error_nan_or_infinite) // JZ _error_nan_or_infinite
|
|
self.save_c() // SAVE $C_regs
|
|
self.rbuf_di() // MOVQ RP, DI
|
|
self.Emit("MOVSD" , jit.Ptr(_SP_p, 0), _X0) // MOVSD (SP.p), X0
|
|
self.call_c(_F_f64toa) // CALL_C f64toa
|
|
self.Emit("ADDQ" , _AX, _RL) // ADDQ AX, RL
|
|
}
|
|
|
|
func (self *_Assembler) _asm_OP_str(_ *_Instr) {
|
|
self.encode_string(false)
|
|
}
|
|
|
|
func (self *_Assembler) _asm_OP_bin(_ *_Instr) {
|
|
self.Emit("MOVQ", jit.Ptr(_SP_p, 8), _AX) // MOVQ 8(SP.p), AX
|
|
self.Emit("ADDQ", jit.Imm(2), _AX) // ADDQ $2, AX
|
|
self.Emit("MOVQ", jit.Imm(_IM_mulv), _CX) // MOVQ $_MF_mulv, CX
|
|
self.Emit("MOVQ", _DX, _BX) // MOVQ DX, BX
|
|
self.From("MULQ", _CX) // MULQ CX
|
|
self.Emit("LEAQ", jit.Sib(_DX, _DX, 1, 1), _AX) // LEAQ 1(DX)(DX), AX
|
|
self.Emit("ORQ" , jit.Imm(2), _AX) // ORQ $2, AX
|
|
self.Emit("MOVQ", _BX, _DX) // MOVQ BX, DX
|
|
self.check_size_r(_AX, 0) // SIZE AX
|
|
self.add_char('"') // CHAR $'"'
|
|
self.Emit("MOVQ", _ARG_rb, _DI) // MOVQ rb<>+0(FP), DI
|
|
self.Emit("MOVQ", _RL, jit.Ptr(_DI, 8)) // MOVQ SI, 8(DI)
|
|
self.Emit("MOVQ", _SP_p, _SI) // MOVQ SP.p, SI
|
|
|
|
/* check for AVX2 support */
|
|
if !cpu.HasAVX2 {
|
|
self.Emit("XORL", _DX, _DX) // XORL DX, DX
|
|
} else {
|
|
self.Emit("MOVL", jit.Imm(_MODE_AVX2), _DX) // MOVL $_MODE_AVX2, DX
|
|
}
|
|
|
|
/* call the encoder */
|
|
self.call_b64(_F_b64encode) // CALL b64encode
|
|
self.load_buffer_AX() // LOAD {buf}
|
|
self.add_char('"') // CHAR $'"'
|
|
}
|
|
|
|
func (self *_Assembler) _asm_OP_quote(_ *_Instr) {
|
|
self.encode_string(true)
|
|
}
|
|
|
|
func (self *_Assembler) _asm_OP_number(_ *_Instr) {
|
|
self.Emit("MOVQ" , jit.Ptr(_SP_p, 8), _BX) // MOVQ (SP.p), BX
|
|
self.Emit("TESTQ", _BX, _BX) // TESTQ BX, BX
|
|
self.Sjmp("JZ" , "_empty_{n}")
|
|
self.Emit("MOVQ" , jit.Ptr(_SP_p, 0), _AX) // MOVQ (SP.p), AX
|
|
self.Emit("TESTQ", _AX, _AX) // TESTQ AX, AX
|
|
self.Sjmp("JNZ" , "_number_next_{n}")
|
|
self.Emit("MOVQ", jit.Imm(int64(panicNilPointerOfNonEmptyString)), _AX)
|
|
self.Sjmp("JMP", _LB_panic)
|
|
self.Link("_number_next_{n}")
|
|
self.call_go(_F_isValidNumber) // CALL_GO isValidNumber
|
|
self.Emit("CMPB" , _AX, jit.Imm(0)) // CMPB AX, $0
|
|
self.Sjmp("JE" , _LB_error_invalid_number) // JE _error_invalid_number
|
|
self.Emit("MOVQ" , jit.Ptr(_SP_p, 8), _BX) // MOVQ (SP.p), BX
|
|
self.check_size_r(_BX, 0) // SIZE BX
|
|
self.Emit("LEAQ" , jit.Sib(_RP, _RL, 1, 0), _AX) // LEAQ (RP)(RL), AX
|
|
self.Emit("ADDQ" , jit.Ptr(_SP_p, 8), _RL) // ADDQ 8(SP.p), RL
|
|
self.Emit("MOVQ", jit.Ptr(_SP_p, 0), _BX) // MOVOU (SP.p), BX
|
|
self.Emit("MOVQ", jit.Ptr(_SP_p, 8), _CX) // MOVOU X0, 8(SP)
|
|
self.call_go(_F_memmove) // CALL_GO memmove
|
|
self.Emit("MOVQ", _ARG_rb, _AX) // MOVQ rb<>+0(FP), AX
|
|
self.Emit("MOVQ", _RL, jit.Ptr(_AX, 8)) // MOVQ RL, 8(AX)
|
|
self.Sjmp("JMP" , "_done_{n}") // JMP _done_{n}
|
|
self.Link("_empty_{n}") // _empty_{n}
|
|
self.check_size(1) // SIZE $1
|
|
self.add_char('0') // CHAR $'0'
|
|
self.Link("_done_{n}") // _done_{n}:
|
|
}
|
|
|
|
func (self *_Assembler) _asm_OP_eface(_ *_Instr) {
|
|
self.prep_buffer_AX() // MOVE {buf}, AX
|
|
self.Emit("MOVQ" , jit.Ptr(_SP_p, 0), _BX) // MOVQ (SP.p), BX
|
|
self.Emit("LEAQ" , jit.Ptr(_SP_p, 8), _CX) // LEAQ 8(SP.p), CX
|
|
self.Emit("MOVQ" , _ST, _DI) // MOVQ ST, DI
|
|
self.Emit("MOVQ" , _ARG_fv, _SI) // MOVQ fv, AX
|
|
self.call_encoder(_F_encodeTypedPointer) // CALL encodeTypedPointer
|
|
self.Emit("TESTQ", _ET, _ET) // TESTQ ET, ET
|
|
self.Sjmp("JNZ" , _LB_error) // JNZ _error
|
|
self.load_buffer_AX()
|
|
}
|
|
|
|
func (self *_Assembler) _asm_OP_iface(_ *_Instr) {
|
|
self.prep_buffer_AX() // MOVE {buf}, AX
|
|
self.Emit("MOVQ" , jit.Ptr(_SP_p, 0), _CX) // MOVQ (SP.p), CX
|
|
self.Emit("MOVQ" , jit.Ptr(_CX, 8), _BX) // MOVQ 8(CX), BX
|
|
self.Emit("LEAQ" , jit.Ptr(_SP_p, 8), _CX) // LEAQ 8(SP.p), CX
|
|
self.Emit("MOVQ" , _ST, _DI) // MOVQ ST, DI
|
|
self.Emit("MOVQ" , _ARG_fv, _SI) // MOVQ fv, AX
|
|
self.call_encoder(_F_encodeTypedPointer) // CALL encodeTypedPointer
|
|
self.Emit("TESTQ", _ET, _ET) // TESTQ ET, ET
|
|
self.Sjmp("JNZ" , _LB_error) // JNZ _error
|
|
self.load_buffer_AX()
|
|
}
|
|
|
|
func (self *_Assembler) _asm_OP_byte(p *_Instr) {
|
|
self.check_size(1)
|
|
self.Emit("MOVB", jit.Imm(p.i64()), jit.Sib(_RP, _RL, 1, 0)) // MOVL p.vi(), (RP)(RL*1)
|
|
self.Emit("ADDQ", jit.Imm(1), _RL) // ADDQ $1, RL
|
|
}
|
|
|
|
func (self *_Assembler) _asm_OP_text(p *_Instr) {
|
|
self.check_size(len(p.vs())) // SIZE ${len(p.vs())}
|
|
self.add_text(p.vs()) // TEXT ${p.vs()}
|
|
}
|
|
|
|
func (self *_Assembler) _asm_OP_deref(_ *_Instr) {
|
|
self.Emit("MOVQ", jit.Ptr(_SP_p, 0), _SP_p) // MOVQ (SP.p), SP.p
|
|
}
|
|
|
|
func (self *_Assembler) _asm_OP_index(p *_Instr) {
|
|
self.Emit("MOVQ", jit.Imm(p.i64()), _AX) // MOVQ $p.vi(), AX
|
|
self.Emit("ADDQ", _AX, _SP_p) // ADDQ AX, SP.p
|
|
}
|
|
|
|
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, -24), _SP_x) // MOVQ -24(ST)(AX), SP.x
|
|
self.Emit("MOVQ", jit.Sib(_ST, _AX, 1, -8), _SP_p) // MOVQ -8(ST)(AX), SP.p
|
|
self.Emit("MOVQ", jit.Sib(_ST, _AX, 1, 0), _SP_q) // MOVQ (ST)(AX), SP.q
|
|
}
|
|
|
|
func (self *_Assembler) _asm_OP_save(_ *_Instr) {
|
|
self.save_state()
|
|
}
|
|
|
|
func (self *_Assembler) _asm_OP_drop(_ *_Instr) {
|
|
self.drop_state(_StateSize)
|
|
}
|
|
|
|
func (self *_Assembler) _asm_OP_drop_2(_ *_Instr) {
|
|
self.drop_state(_StateSize * 2) // DROP $(_StateSize * 2)
|
|
self.Emit("MOVOU", _X0, jit.Sib(_ST, _AX, 1, 56)) // MOVOU X0, 56(ST)(AX)
|
|
}
|
|
|
|
func (self *_Assembler) _asm_OP_recurse(p *_Instr) {
|
|
self.prep_buffer_AX() // MOVE {buf}, (SP)
|
|
vt, pv := p.vp()
|
|
self.Emit("MOVQ", jit.Type(vt), _BX) // MOVQ $(type(p.vt())), BX
|
|
|
|
/* check for indirection */
|
|
if !rt.UnpackType(vt).Indirect() {
|
|
self.Emit("MOVQ", _SP_p, _CX) // MOVQ SP.p, CX
|
|
} else {
|
|
self.Emit("MOVQ", _SP_p, _VAR_vp) // MOVQ SP.p, VAR.vp
|
|
self.Emit("LEAQ", _VAR_vp, _CX) // LEAQ VAR.vp, CX
|
|
}
|
|
|
|
/* call the encoder */
|
|
self.Emit("MOVQ" , _ST, _DI) // MOVQ ST, DI
|
|
self.Emit("MOVQ" , _ARG_fv, _SI) // MOVQ $fv, SI
|
|
if pv {
|
|
self.Emit("BTCQ", jit.Imm(bitPointerValue), _SI) // BTCQ $1, SI
|
|
}
|
|
self.call_encoder(_F_encodeTypedPointer) // CALL encodeTypedPointer
|
|
self.Emit("TESTQ", _ET, _ET) // TESTQ ET, ET
|
|
self.Sjmp("JNZ" , _LB_error) // JNZ _error
|
|
self.load_buffer_AX()
|
|
}
|
|
|
|
func (self *_Assembler) _asm_OP_is_nil(p *_Instr) {
|
|
self.Emit("CMPQ", jit.Ptr(_SP_p, 0), jit.Imm(0)) // CMPQ (SP.p), $0
|
|
self.Xjmp("JE" , p.vi()) // JE p.vi()
|
|
}
|
|
|
|
func (self *_Assembler) _asm_OP_is_nil_p1(p *_Instr) {
|
|
self.Emit("CMPQ", jit.Ptr(_SP_p, 8), jit.Imm(0)) // CMPQ 8(SP.p), $0
|
|
self.Xjmp("JE" , p.vi()) // JE p.vi()
|
|
}
|
|
|
|
func (self *_Assembler) _asm_OP_is_zero_1(p *_Instr) {
|
|
self.Emit("CMPB", jit.Ptr(_SP_p, 0), jit.Imm(0)) // CMPB (SP.p), $0
|
|
self.Xjmp("JE" , p.vi()) // JE p.vi()
|
|
}
|
|
|
|
func (self *_Assembler) _asm_OP_is_zero_2(p *_Instr) {
|
|
self.Emit("CMPW", jit.Ptr(_SP_p, 0), jit.Imm(0)) // CMPW (SP.p), $0
|
|
self.Xjmp("JE" , p.vi()) // JE p.vi()
|
|
}
|
|
|
|
func (self *_Assembler) _asm_OP_is_zero_4(p *_Instr) {
|
|
self.Emit("CMPL", jit.Ptr(_SP_p, 0), jit.Imm(0)) // CMPL (SP.p), $0
|
|
self.Xjmp("JE" , p.vi()) // JE p.vi()
|
|
}
|
|
|
|
func (self *_Assembler) _asm_OP_is_zero_8(p *_Instr) {
|
|
self.Emit("CMPQ", jit.Ptr(_SP_p, 0), jit.Imm(0)) // CMPQ (SP.p), $0
|
|
self.Xjmp("JE" , p.vi()) // JE p.vi()
|
|
}
|
|
|
|
func (self *_Assembler) _asm_OP_is_zero_map(p *_Instr) {
|
|
self.Emit("MOVQ" , jit.Ptr(_SP_p, 0), _AX) // MOVQ (SP.p), AX
|
|
self.Emit("TESTQ", _AX, _AX) // TESTQ AX, AX
|
|
self.Xjmp("JZ" , p.vi()) // JZ p.vi()
|
|
self.Emit("CMPQ" , jit.Ptr(_AX, 0), jit.Imm(0)) // CMPQ (AX), $0
|
|
self.Xjmp("JE" , p.vi()) // JE p.vi()
|
|
}
|
|
|
|
func (self *_Assembler) _asm_OP_goto(p *_Instr) {
|
|
self.Xjmp("JMP", p.vi())
|
|
}
|
|
|
|
func (self *_Assembler) _asm_OP_map_iter(p *_Instr) {
|
|
self.Emit("MOVQ" , jit.Type(p.vt()), _AX) // MOVQ $p.vt(), AX
|
|
self.Emit("MOVQ" , jit.Ptr(_SP_p, 0), _BX) // MOVQ (SP.p), BX
|
|
self.Emit("MOVQ" , _ARG_fv, _CX) // MOVQ fv, CX
|
|
self.call_go(_F_iteratorStart) // CALL_GO iteratorStart
|
|
self.Emit("MOVQ" , _AX, _SP_q) // MOVQ AX, SP.q
|
|
self.Emit("MOVQ" , _BX, _ET) // MOVQ 32(SP), ET
|
|
self.Emit("MOVQ" , _CX, _EP) // MOVQ 40(SP), EP
|
|
self.Emit("TESTQ", _ET, _ET) // TESTQ ET, ET
|
|
self.Sjmp("JNZ" , _LB_error) // JNZ _error
|
|
}
|
|
|
|
func (self *_Assembler) _asm_OP_map_stop(_ *_Instr) {
|
|
self.Emit("MOVQ", _SP_q, _AX) // MOVQ SP.q, AX
|
|
self.call_go(_F_iteratorStop) // CALL_GO iteratorStop
|
|
self.Emit("XORL", _SP_q, _SP_q) // XORL SP.q, SP.q
|
|
}
|
|
|
|
func (self *_Assembler) _asm_OP_map_check_key(p *_Instr) {
|
|
self.Emit("MOVQ" , jit.Ptr(_SP_q, 0), _SP_p) // MOVQ (SP.q), SP.p
|
|
self.Emit("TESTQ", _SP_p, _SP_p) // TESTQ SP.p, SP.p
|
|
self.Xjmp("JZ" , p.vi()) // JNZ p.vi()
|
|
}
|
|
|
|
func (self *_Assembler) _asm_OP_map_write_key(p *_Instr) {
|
|
self.Emit("BTQ", jit.Imm(bitSortMapKeys), _ARG_fv) // BTQ ${SortMapKeys}, fv
|
|
self.Sjmp("JNC", "_unordered_key_{n}") // JNC _unordered_key_{n}
|
|
self.encode_string(false) // STR $false
|
|
self.Xjmp("JMP", p.vi()) // JMP ${p.vi()}
|
|
self.Link("_unordered_key_{n}") // _unordered_key_{n}:
|
|
}
|
|
|
|
func (self *_Assembler) _asm_OP_map_value_next(_ *_Instr) {
|
|
self.Emit("MOVQ", jit.Ptr(_SP_q, 8), _SP_p) // MOVQ 8(SP.q), SP.p
|
|
self.Emit("MOVQ", _SP_q, _AX) // MOVQ SP.q, AX
|
|
self.call_go(_F_iteratorNext) // CALL_GO iteratorNext
|
|
}
|
|
|
|
func (self *_Assembler) _asm_OP_slice_len(_ *_Instr) {
|
|
self.Emit("MOVQ" , jit.Ptr(_SP_p, 8), _SP_x) // MOVQ 8(SP.p), SP.x
|
|
self.Emit("MOVQ" , jit.Ptr(_SP_p, 0), _SP_p) // MOVQ (SP.p), SP.p
|
|
self.Emit("ORQ" , jit.Imm(1 << _S_init), _SP_f) // ORQ $(1<<_S_init), SP.f
|
|
}
|
|
|
|
func (self *_Assembler) _asm_OP_slice_next(p *_Instr) {
|
|
self.Emit("TESTQ" , _SP_x, _SP_x) // TESTQ SP.x, SP.x
|
|
self.Xjmp("JZ" , p.vi()) // JZ p.vi()
|
|
self.Emit("SUBQ" , jit.Imm(1), _SP_x) // SUBQ $1, SP.x
|
|
self.Emit("BTRQ" , jit.Imm(_S_init), _SP_f) // BTRQ $_S_init, SP.f
|
|
self.Emit("LEAQ" , jit.Ptr(_SP_p, int64(p.vlen())), _AX) // LEAQ $(p.vlen())(SP.p), AX
|
|
self.Emit("CMOVQCC", _AX, _SP_p) // CMOVQNC AX, SP.p
|
|
}
|
|
|
|
func (self *_Assembler) _asm_OP_marshal(p *_Instr) {
|
|
self.call_marshaler(_F_encodeJsonMarshaler, _T_json_Marshaler, p.vt())
|
|
}
|
|
|
|
func (self *_Assembler) _asm_OP_marshal_p(p *_Instr) {
|
|
if p.vk() != reflect.Ptr {
|
|
panic("marshal_p: invalid type")
|
|
} else {
|
|
self.call_marshaler_v(_F_encodeJsonMarshaler, _T_json_Marshaler, p.vt(), false)
|
|
}
|
|
}
|
|
|
|
func (self *_Assembler) _asm_OP_marshal_text(p *_Instr) {
|
|
self.call_marshaler(_F_encodeTextMarshaler, _T_encoding_TextMarshaler, p.vt())
|
|
}
|
|
|
|
func (self *_Assembler) _asm_OP_marshal_text_p(p *_Instr) {
|
|
if p.vk() != reflect.Ptr {
|
|
panic("marshal_text_p: invalid type")
|
|
} else {
|
|
self.call_marshaler_v(_F_encodeTextMarshaler, _T_encoding_TextMarshaler, p.vt(), false)
|
|
}
|
|
}
|
|
|
|
func (self *_Assembler) _asm_OP_cond_set(_ *_Instr) {
|
|
self.Emit("ORQ", jit.Imm(1 << _S_cond), _SP_f) // ORQ $(1<<_S_cond), SP.f
|
|
}
|
|
|
|
func (self *_Assembler) _asm_OP_cond_testc(p *_Instr) {
|
|
self.Emit("BTRQ", jit.Imm(_S_cond), _SP_f) // BTRQ $_S_cond, SP.f
|
|
self.Xjmp("JC" , p.vi())
|
|
}
|
|
|
|
func (self *_Assembler) print_gc(i int, p1 *_Instr, p2 *_Instr) {
|
|
self.Emit("MOVQ", jit.Imm(int64(p2.op())), _CX) // MOVQ $(p2.op()), AX
|
|
self.Emit("MOVQ", jit.Imm(int64(p1.op())), _BX) // MOVQ $(p1.op()), BX
|
|
self.Emit("MOVQ", jit.Imm(int64(i)), _AX) // MOVQ $(i), CX
|
|
self.call_go(_F_println)
|
|
}
|
|
|
|
var (
|
|
_V_writeBarrier = jit.Imm(int64(uintptr(unsafe.Pointer(&_runtime_writeBarrier))))
|
|
|
|
_F_gcWriteBarrierAX = jit.Func(gcWriteBarrierAX)
|
|
)
|
|
|
|
func (self *_Assembler) WriteRecNotAX(i int, ptr obj.Addr, rec obj.Addr) {
|
|
if rec.Reg == x86.REG_AX || rec.Index == x86.REG_AX {
|
|
panic("rec contains AX!")
|
|
}
|
|
self.Emit("MOVQ", _V_writeBarrier, _BX)
|
|
self.Emit("CMPL", jit.Ptr(_BX, 0), jit.Imm(0))
|
|
self.Sjmp("JE", "_no_writeBarrier" + strconv.Itoa(i) + "_{n}")
|
|
self.xsave(_DI)
|
|
self.Emit("MOVQ", ptr, _AX)
|
|
self.Emit("LEAQ", rec, _DI)
|
|
self.Emit("MOVQ", _F_gcWriteBarrierAX, _BX) // MOVQ ${fn}, AX
|
|
self.Rjmp("CALL", _BX)
|
|
self.xload(_DI)
|
|
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}")
|
|
} |