[chore]: Bump github.com/gin-contrib/gzip from 1.0.1 to 1.1.0 (#3639)

Bumps [github.com/gin-contrib/gzip](https://github.com/gin-contrib/gzip) from 1.0.1 to 1.1.0.
- [Release notes](https://github.com/gin-contrib/gzip/releases)
- [Changelog](https://github.com/gin-contrib/gzip/blob/master/.goreleaser.yaml)
- [Commits](https://github.com/gin-contrib/gzip/compare/v1.0.1...v1.1.0)

---
updated-dependencies:
- dependency-name: github.com/gin-contrib/gzip
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

vendor/github.com/bytedance/sonic/internal/decoder/jitdec/asm_stubs_amd64_go117.go

@@ -0,0 +1,126 @@
+// +build go1.17,!go1.21
+
+// Copyright 2023 CloudWeGo Authors
+//
+// 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 jitdec
+
+import (
+    `strconv`
+    `unsafe`
+
+    `github.com/bytedance/sonic/internal/jit`
+    `github.com/twitchyliquid64/golang-asm/obj`
+    `github.com/twitchyliquid64/golang-asm/obj/x86`
+)
+
+//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}")
+}
+
+
+func (self *_ValueDecoder) 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 *_ValueDecoder) WriteRecNotAX(i int, ptr obj.Addr, rec obj.Addr, saveDI bool) {
+    if rec.Reg == x86.REG_AX || rec.Index == x86.REG_AX {
+        panic("rec contains AX!")
+    }
+    self.Emit("MOVQ", _V_writeBarrier, _AX)
+    self.Emit("CMPL", jit.Ptr(_AX, 0), jit.Imm(0))
+    self.Sjmp("JE", "_no_writeBarrier" + strconv.Itoa(i) + "_{n}")
+    self.Emit("MOVQ", ptr, _AX)
+    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", ptr, rec)
+    self.Link("_end_writeBarrier" + strconv.Itoa(i) + "_{n}")
+}

vendor/github.com/bytedance/sonic/internal/decoder/jitdec/asm_stubs_amd64_go121.go

@@ -0,0 +1,132 @@
+// +build go1.21,!go1.24
+
+// Copyright 2023 CloudWeGo Authors
+//
+// 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 jitdec
+
+import (
+    `strconv`
+    `unsafe`
+
+    `github.com/bytedance/sonic/internal/jit`
+    `github.com/twitchyliquid64/golang-asm/obj`
+    `github.com/twitchyliquid64/golang-asm/obj/x86`
+)
+
+//go:linkname _runtime_writeBarrier runtime.writeBarrier
+var _runtime_writeBarrier uintptr
+
+//go:nosplit
+//go:linkname gcWriteBarrier2 runtime.gcWriteBarrier2
+func gcWriteBarrier2()
+
+// Notice: gcWriteBarrier must use R11 register!!
+var _R11 = _IC
+
+var (
+    _V_writeBarrier = jit.Imm(int64(uintptr(unsafe.Pointer(&_runtime_writeBarrier))))
+
+    _F_gcWriteBarrier2 = jit.Func(gcWriteBarrier2)
+)
+
+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, _R11)
+    } else {
+        self.save(_R11)
+    }
+    self.Emit("MOVQ", _F_gcWriteBarrier2, _R11)  
+    self.Rjmp("CALL", _R11)  
+    self.Emit("MOVQ", _AX, jit.Ptr(_R11, 0))
+    self.Emit("MOVQ", rec, _DI)
+    self.Emit("MOVQ", _DI, jit.Ptr(_R11, 8))
+    if saveDI {
+        self.load(_DI, _R11)
+    } else {
+        self.load(_R11)
+    }   
+    self.Link("_no_writeBarrier" + strconv.Itoa(i) + "_{n}")
+    self.Emit("MOVQ", _AX, rec)
+}
+
+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.save(_AX, _R11)
+    } else {
+        self.save(_R11)
+    }
+    self.Emit("MOVQ", _F_gcWriteBarrier2, _R11)  
+    self.Rjmp("CALL", _R11)  
+    self.Emit("MOVQ", ptr, jit.Ptr(_R11, 0))
+    self.Emit("MOVQ", rec, _AX)
+    self.Emit("MOVQ", _AX, jit.Ptr(_R11, 8))
+    if saveAX {
+        self.load(_AX, _R11)
+    } else {
+        self.load(_R11)
+    }   
+    self.Link("_no_writeBarrier" + strconv.Itoa(i) + "_{n}")
+    self.Emit("MOVQ", ptr, rec)
+}
+
+func (self *_ValueDecoder) 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, _R11)
+    } else {
+        self.save(_R11)
+    }
+    self.Emit("MOVQ", _F_gcWriteBarrier2, _R11)  
+    self.Rjmp("CALL", _R11)   
+    self.Emit("MOVQ", _AX, jit.Ptr(_R11, 0))
+    self.Emit("MOVQ", rec, _DI)
+    self.Emit("MOVQ", _DI, jit.Ptr(_R11, 8))
+    if saveDI {
+        self.load(_DI, _R11)
+    } else {
+        self.load(_R11)
+    }   
+    self.Link("_no_writeBarrier" + strconv.Itoa(i) + "_{n}")
+    self.Emit("MOVQ", _AX, rec)
+}
+
+func (self *_ValueDecoder) WriteRecNotAX(i int, ptr obj.Addr, rec obj.Addr, saveDI bool) {
+    if rec.Reg == x86.REG_AX || rec.Index == x86.REG_AX {
+        panic("rec contains AX!")
+    }
+    self.Emit("MOVQ", _V_writeBarrier, _AX)
+    self.Emit("CMPL", jit.Ptr(_AX, 0), jit.Imm(0))
+    self.Sjmp("JE", "_no_writeBarrier" + strconv.Itoa(i) + "_{n}")
+    self.save(_R11)
+    self.Emit("MOVQ", _F_gcWriteBarrier2, _R11)  
+    self.Rjmp("CALL", _R11)     
+    self.Emit("MOVQ", ptr, jit.Ptr(_R11, 0))
+    self.Emit("MOVQ", rec, _AX)
+    self.Emit("MOVQ", _AX, jit.Ptr(_R11, 8))
+    self.load(_R11)  
+    self.Link("_no_writeBarrier" + strconv.Itoa(i) + "_{n}")
+    self.Emit("MOVQ", ptr, rec)
+}

vendor/github.com/bytedance/sonic/internal/decoder/jitdec/debug.go

@@ -0,0 +1,70 @@
+/*
+ * 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 jitdec
+
+import (
+	`os`
+	`runtime`
+	`runtime/debug`
+	`strings`
+
+	`github.com/bytedance/sonic/internal/jit`
+)
+
+
+var (
+    debugSyncGC  = os.Getenv("SONIC_SYNC_GC") != ""
+    debugAsyncGC = os.Getenv("SONIC_NO_ASYNC_GC") == ""
+)
+
+var (
+    _Instr_End _Instr = newInsOp(_OP_nil_1)
+
+    _F_gc       = jit.Func(runtime.GC)
+    _F_force_gc = jit.Func(debug.FreeOSMemory)
+    _F_println  = jit.Func(println_wrapper)
+    _F_print    = jit.Func(print)
+)
+
+func println_wrapper(i int, op1 int, op2 int){
+    println(i, " Intrs ", op1, _OpNames[op1], "next: ", op2, _OpNames[op2])
+}
+
+func print(i int){
+    println(i)
+}
+
+func (self *_Assembler) force_gc() {
+    self.call_go(_F_gc)
+    self.call_go(_F_force_gc)
+}
+
+func (self *_Assembler) debug_instr(i int, v *_Instr) {
+    if debugSyncGC {
+        if (i+1 == len(self.p)) {
+            self.print_gc(i, v, &_Instr_End) 
+        } else {
+            next := &(self.p[i+1])
+            self.print_gc(i, v, next)
+            name := _OpNames[next.op()]
+            if strings.Contains(name, "save") {
+                return
+            }
+        }
+        self.force_gc()
+    }
+}

vendor/github.com/bytedance/sonic/internal/decoder/jitdec/decoder.go

@@ -0,0 +1,140 @@
+package jitdec
+
+import (
+    `unsafe`
+    `encoding/json`
+    `reflect`
+    `runtime`
+
+	`github.com/bytedance/sonic/internal/decoder/consts`
+	`github.com/bytedance/sonic/internal/decoder/errors`
+    `github.com/bytedance/sonic/internal/rt`
+    `github.com/bytedance/sonic/utf8`
+	`github.com/bytedance/sonic/option`
+)
+
+type (
+	MismatchTypeError = errors.MismatchTypeError
+	SyntaxError = errors.SyntaxError
+)
+
+const (
+	_F_allow_control = consts.F_allow_control
+	_F_copy_string = consts.F_copy_string
+	_F_disable_unknown = consts.F_disable_unknown
+	_F_disable_urc = consts.F_disable_urc
+	_F_use_int64 = consts.F_use_int64
+	_F_use_number = consts.F_use_number
+	_F_no_validate_json = consts.F_no_validate_json
+	_F_validate_string = consts.F_validate_string
+)
+
+var (
+	error_wrap = errors.ErrorWrap
+	error_type = errors.ErrorType
+	error_field = errors.ErrorField
+	error_value = errors.ErrorValue
+	error_mismatch = errors.ErrorMismatch
+	stackOverflow = errors.StackOverflow
+)
+
+
+// Decode parses the JSON-encoded data from current position and stores the result
+// in the value pointed to by val.
+func Decode(s *string, i *int, f uint64, val interface{}) error {
+    /* validate json if needed */
+    if (f & (1 << _F_validate_string)) != 0  && !utf8.ValidateString(*s){
+        dbuf := utf8.CorrectWith(nil, rt.Str2Mem(*s), "\ufffd")
+        *s = rt.Mem2Str(dbuf)
+    }
+
+    vv := rt.UnpackEface(val)
+    vp := vv.Value
+
+    /* check for nil type */
+    if vv.Type == nil {
+        return &json.InvalidUnmarshalError{}
+    }
+
+    /* must be a non-nil pointer */
+    if vp == nil || vv.Type.Kind() != reflect.Ptr {
+        return &json.InvalidUnmarshalError{Type: vv.Type.Pack()}
+    }
+
+    etp := rt.PtrElem(vv.Type)
+
+    /* check the defined pointer type for issue 379 */
+    if vv.Type.IsNamed() {
+        newp := vp
+        etp  = vv.Type
+        vp   = unsafe.Pointer(&newp)
+    }
+
+    /* create a new stack, and call the decoder */
+    sb := newStack()
+    nb, err := decodeTypedPointer(*s, *i, etp, vp, sb, f)
+    /* return the stack back */
+    *i = nb
+    freeStack(sb)
+
+    /* avoid GC ahead */
+    runtime.KeepAlive(vv)
+    return err
+}
+
+
+// Pretouch compiles vt ahead-of-time to avoid JIT compilation on-the-fly, in
+// order to reduce the first-hit latency.
+//
+// Opts are the compile options, for example, "option.WithCompileRecursiveDepth" is
+// a compile option to set the depth of recursive compile for the nested struct type.
+func Pretouch(vt reflect.Type, opts ...option.CompileOption) error {
+    cfg := option.DefaultCompileOptions()
+    for _, opt := range opts {
+        opt(&cfg)
+    }
+    return pretouchRec(map[reflect.Type]bool{vt:true}, cfg)
+}
+
+func pretouchType(_vt reflect.Type, opts option.CompileOptions) (map[reflect.Type]bool, error) {
+    /* compile function */
+    compiler := newCompiler().apply(opts)
+    decoder := func(vt *rt.GoType, _ ...interface{}) (interface{}, error) {
+        if pp, err := compiler.compile(_vt); err != nil {
+            return nil, err
+        } else {
+            as := newAssembler(pp)
+            as.name = _vt.String()
+            return as.Load(), nil
+        }
+    }
+
+    /* find or compile */
+    vt := rt.UnpackType(_vt)
+    if val := programCache.Get(vt); val != nil {
+        return nil, nil
+    } else if _, err := programCache.Compute(vt, decoder); err == nil {
+        return compiler.rec, nil
+    } else {
+        return nil, err
+    }
+}
+
+func pretouchRec(vtm map[reflect.Type]bool, opts option.CompileOptions) error {
+    if opts.RecursiveDepth < 0 || len(vtm) == 0 {
+        return nil
+    }
+    next := make(map[reflect.Type]bool)
+    for vt := range(vtm) {
+        sub, err := pretouchType(vt, opts)
+        if err != nil {
+            return err
+        }
+        for svt := range(sub) {
+            next[svt] = true
+        }
+    }
+    opts.RecursiveDepth -= 1
+    return pretouchRec(next, opts)
+}
+

vendor/github.com/bytedance/sonic/internal/decoder/jitdec/generic_regabi_amd64.go

@@ -0,0 +1,729 @@
+// +build go1.17,!go1.24
+
+/*
+ * 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 jitdec
+
+import (
+    `encoding/json`
+    `fmt`
+    `reflect`
+
+    `github.com/bytedance/sonic/internal/jit`
+    `github.com/bytedance/sonic/internal/native`
+    `github.com/bytedance/sonic/internal/native/types`
+    `github.com/twitchyliquid64/golang-asm/obj`
+)
+
+/** Crucial Registers:
+ *
+ *      ST(R13) && 0(SP) : ro, decoder stack
+ *      DF(AX)  : ro, decoder flags
+ *      EP(BX) : wo, error pointer
+ *      IP(R10) : ro, input pointer
+ *      IL(R12) : ro, input length
+ *      IC(R11) : rw, input cursor
+ *      VP(R15) : ro, value pointer (to an interface{})
+ */
+
+const (
+    _VD_args   = 8      // 8 bytes  for passing arguments to this functions
+    _VD_fargs  = 64     // 64 bytes for passing arguments to other Go functions
+    _VD_saves  = 48     // 48 bytes for saving the registers before CALL instructions
+    _VD_locals = 96     // 96 bytes for local variables
+)
+
+const (
+    _VD_offs = _VD_fargs + _VD_saves + _VD_locals
+    _VD_size = _VD_offs + 8     // 8 bytes for the parent frame pointer
+)
+
+var (
+    _VAR_ss = _VAR_ss_Vt
+    _VAR_df = jit.Ptr(_SP, _VD_fargs + _VD_saves)
+)
+
+var (
+    _VAR_ss_Vt = jit.Ptr(_SP, _VD_fargs + _VD_saves + 8)
+    _VAR_ss_Dv = jit.Ptr(_SP, _VD_fargs + _VD_saves + 16)
+    _VAR_ss_Iv = jit.Ptr(_SP, _VD_fargs + _VD_saves + 24)
+    _VAR_ss_Ep = jit.Ptr(_SP, _VD_fargs + _VD_saves + 32)
+    _VAR_ss_Db = jit.Ptr(_SP, _VD_fargs + _VD_saves + 40)
+    _VAR_ss_Dc = jit.Ptr(_SP, _VD_fargs + _VD_saves + 48)
+)
+
+var (
+    _VAR_R9 = jit.Ptr(_SP, _VD_fargs + _VD_saves + 56)
+)
+type _ValueDecoder struct {
+    jit.BaseAssembler
+}
+
+var (
+    _VAR_cs_LR = jit.Ptr(_SP, _VD_fargs + _VD_saves + 64)
+    _VAR_cs_p = jit.Ptr(_SP, _VD_fargs + _VD_saves + 72)
+    _VAR_cs_n = jit.Ptr(_SP, _VD_fargs + _VD_saves + 80)
+    _VAR_cs_d = jit.Ptr(_SP, _VD_fargs + _VD_saves + 88)
+)
+
+func (self *_ValueDecoder) build() uintptr {
+    self.Init(self.compile)
+    return *(*uintptr)(self.Load("decode_value", _VD_size, _VD_args, argPtrs_generic, localPtrs_generic))
+}
+
+/** Function Calling Helpers **/
+
+func (self *_ValueDecoder) save(r ...obj.Addr) {
+    for i, v := range r {
+        if i > _VD_saves / 8 - 1 {
+            panic("too many registers to save")
+        } else {
+            self.Emit("MOVQ", v, jit.Ptr(_SP, _VD_fargs + int64(i) * 8))
+        }
+    }
+}
+
+func (self *_ValueDecoder) load(r ...obj.Addr) {
+    for i, v := range r {
+        if i > _VD_saves / 8 - 1 {
+            panic("too many registers to load")
+        } else {
+            self.Emit("MOVQ", jit.Ptr(_SP, _VD_fargs + int64(i) * 8), v)
+        }
+    }
+}
+
+func (self *_ValueDecoder) call(fn obj.Addr) {
+    self.Emit("MOVQ", fn, _R9)  // MOVQ ${fn}, AX
+    self.Rjmp("CALL", _R9)      // CALL AX
+}
+
+func (self *_ValueDecoder) call_go(fn obj.Addr) {
+    self.save(_REG_go...)   // SAVE $REG_go
+    self.call(fn)           // CALL ${fn}
+    self.load(_REG_go...)   // LOAD $REG_go
+}
+
+func (self *_ValueDecoder) callc(fn obj.Addr) {
+    self.save(_IP)  
+    self.call(fn)
+    self.load(_IP)  
+}
+
+func (self *_ValueDecoder) call_c(fn obj.Addr) {
+    self.Emit("XCHGQ", _IC, _BX)
+    self.callc(fn)
+    self.Emit("XCHGQ", _IC, _BX)
+}
+
+/** Decoder Assembler **/
+
+const (
+    _S_val = iota + 1
+    _S_arr
+    _S_arr_0
+    _S_obj
+    _S_obj_0
+    _S_obj_delim
+    _S_obj_sep
+)
+
+const (
+    _S_omask_key = (1 << _S_obj_0) | (1 << _S_obj_sep)
+    _S_omask_end = (1 << _S_obj_0) | (1 << _S_obj)
+    _S_vmask = (1 << _S_val) | (1 << _S_arr_0)
+)
+
+const (
+    _A_init_len = 1
+    _A_init_cap = 16
+)
+
+const (
+    _ST_Sp = 0
+    _ST_Vt = _PtrBytes
+    _ST_Vp = _PtrBytes * (types.MAX_RECURSE + 1)
+)
+
+var (
+    _V_true  = jit.Imm(int64(pbool(true)))
+    _V_false = jit.Imm(int64(pbool(false)))
+    _F_value = jit.Imm(int64(native.S_value))
+)
+
+var (
+    _V_max     = jit.Imm(int64(types.V_MAX))
+    _E_eof     = jit.Imm(int64(types.ERR_EOF))
+    _E_invalid = jit.Imm(int64(types.ERR_INVALID_CHAR))
+    _E_recurse = jit.Imm(int64(types.ERR_RECURSE_EXCEED_MAX))
+)
+
+var (
+    _F_convTslice    = jit.Func(convTslice)
+    _F_convTstring   = jit.Func(convTstring)
+    _F_invalid_vtype = jit.Func(invalid_vtype)
+)
+
+var (
+    _T_map     = jit.Type(reflect.TypeOf((map[string]interface{})(nil)))
+    _T_bool    = jit.Type(reflect.TypeOf(false))
+    _T_int64   = jit.Type(reflect.TypeOf(int64(0)))
+    _T_eface   = jit.Type(reflect.TypeOf((*interface{})(nil)).Elem())
+    _T_slice   = jit.Type(reflect.TypeOf(([]interface{})(nil)))
+    _T_string  = jit.Type(reflect.TypeOf(""))
+    _T_number  = jit.Type(reflect.TypeOf(json.Number("")))
+    _T_float64 = jit.Type(reflect.TypeOf(float64(0)))
+)
+
+var _R_tab = map[int]string {
+    '[': "_decode_V_ARRAY",
+    '{': "_decode_V_OBJECT",
+    ':': "_decode_V_KEY_SEP",
+    ',': "_decode_V_ELEM_SEP",
+    ']': "_decode_V_ARRAY_END",
+    '}': "_decode_V_OBJECT_END",
+}
+
+func (self *_ValueDecoder) compile() {
+    self.Emit("SUBQ", jit.Imm(_VD_size), _SP)       // SUBQ $_VD_size, SP
+    self.Emit("MOVQ", _BP, jit.Ptr(_SP, _VD_offs))  // MOVQ BP, _VD_offs(SP)
+    self.Emit("LEAQ", jit.Ptr(_SP, _VD_offs), _BP)  // LEAQ _VD_offs(SP), BP
+
+    /* initialize the state machine */
+    self.Emit("XORL", _CX, _CX)                                 // XORL CX, CX
+    self.Emit("MOVQ", _DF, _VAR_df)                             // MOVQ DF, df
+    /* initialize digital buffer first */
+    self.Emit("MOVQ", jit.Imm(_MaxDigitNums), _VAR_ss_Dc)       // MOVQ $_MaxDigitNums, ss.Dcap
+    self.Emit("LEAQ", jit.Ptr(_ST, _DbufOffset), _AX)           // LEAQ _DbufOffset(ST), AX
+    self.Emit("MOVQ", _AX, _VAR_ss_Db)                          // MOVQ AX, ss.Dbuf
+    /* add ST offset */
+    self.Emit("ADDQ", jit.Imm(_FsmOffset), _ST)                 // ADDQ _FsmOffset, _ST
+    self.Emit("MOVQ", _CX, jit.Ptr(_ST, _ST_Sp))                // MOVQ CX, ST.Sp
+    self.WriteRecNotAX(0, _VP, jit.Ptr(_ST, _ST_Vp), false)                // MOVQ VP, ST.Vp[0]
+    self.Emit("MOVQ", jit.Imm(_S_val), jit.Ptr(_ST, _ST_Vt))    // MOVQ _S_val, ST.Vt[0]
+    self.Sjmp("JMP" , "_next")                                  // JMP  _next
+
+    /* set the value from previous round */
+    self.Link("_set_value")                                 // _set_value:
+    self.Emit("MOVL" , jit.Imm(_S_vmask), _DX)              // MOVL  _S_vmask, DX
+    self.Emit("MOVQ" , jit.Ptr(_ST, _ST_Sp), _CX)           // MOVQ  ST.Sp, CX
+    self.Emit("MOVQ" , jit.Sib(_ST, _CX, 8, _ST_Vt), _AX)   // MOVQ  ST.Vt[CX], AX
+    self.Emit("BTQ"  , _AX, _DX)                            // BTQ   AX, DX
+    self.Sjmp("JNC"  , "_vtype_error")                      // JNC   _vtype_error
+    self.Emit("XORL" , _SI, _SI)                            // XORL  SI, SI
+    self.Emit("SUBQ" , jit.Imm(1), jit.Ptr(_ST, _ST_Sp))    // SUBQ  $1, ST.Sp
+    self.Emit("XCHGQ", jit.Sib(_ST, _CX, 8, _ST_Vp), _SI)   // XCHGQ ST.Vp[CX], SI
+    self.Emit("MOVQ" , _R8, jit.Ptr(_SI, 0))                // MOVQ  R8, (SI)
+    self.WriteRecNotAX(1, _R9, jit.Ptr(_SI, 8), false)           // MOVQ  R9, 8(SI)
+
+    /* check for value stack */
+    self.Link("_next")                              // _next:
+    self.Emit("MOVQ" , jit.Ptr(_ST, _ST_Sp), _AX)   // MOVQ  ST.Sp, AX
+    self.Emit("TESTQ", _AX, _AX)                    // TESTQ AX, AX
+    self.Sjmp("JS"   , "_return")                   // JS    _return
+
+    /* fast path: test up to 4 characters manually */
+    self.Emit("CMPQ"   , _IC, _IL)                      // CMPQ    IC, IL
+    self.Sjmp("JAE"    , "_decode_V_EOF")               // JAE     _decode_V_EOF
+    self.Emit("MOVBQZX", jit.Sib(_IP, _IC, 1, 0), _AX)  // MOVBQZX (IP)(IC), AX
+    self.Emit("MOVQ"   , jit.Imm(_BM_space), _DX)       // MOVQ    _BM_space, DX
+    self.Emit("CMPQ"   , _AX, jit.Imm(' '))             // CMPQ    AX, $' '
+    self.Sjmp("JA"     , "_decode_fast")                // JA      _decode_fast
+    self.Emit("BTQ"    , _AX, _DX)                      // BTQ     _AX, _DX
+    self.Sjmp("JNC"    , "_decode_fast")                // JNC     _decode_fast
+    self.Emit("ADDQ"   , jit.Imm(1), _IC)               // ADDQ    $1, IC
+
+    /* at least 1 to 3 spaces */
+    for i := 0; i < 3; i++ {
+        self.Emit("CMPQ"   , _IC, _IL)                      // CMPQ    IC, IL
+        self.Sjmp("JAE"    , "_decode_V_EOF")               // JAE     _decode_V_EOF
+        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"     , "_decode_fast")                // JA      _decode_fast
+        self.Emit("BTQ"    , _AX, _DX)                      // BTQ     _AX, _DX
+        self.Sjmp("JNC"    , "_decode_fast")                // JNC     _decode_fast
+        self.Emit("ADDQ"   , jit.Imm(1), _IC)               // ADDQ    $1, IC
+    }
+
+    /* at least 4 spaces */
+    self.Emit("CMPQ"   , _IC, _IL)                      // CMPQ    IC, IL
+    self.Sjmp("JAE"    , "_decode_V_EOF")               // JAE     _decode_V_EOF
+    self.Emit("MOVBQZX", jit.Sib(_IP, _IC, 1, 0), _AX)  // MOVBQZX (IP)(IC), AX
+
+    /* fast path: use lookup table to select decoder */
+    self.Link("_decode_fast")                           // _decode_fast:
+    self.Byte(0x48, 0x8d, 0x3d)                         // LEAQ    ?(PC), DI
+    self.Sref("_decode_tab", 4)                         // ....    &_decode_tab
+    self.Emit("MOVLQSX", jit.Sib(_DI, _AX, 4, 0), _AX)  // MOVLQSX (DI)(AX*4), AX
+    self.Emit("TESTQ"  , _AX, _AX)                      // TESTQ   AX, AX
+    self.Sjmp("JZ"     , "_decode_native")              // JZ      _decode_native
+    self.Emit("ADDQ"   , jit.Imm(1), _IC)               // ADDQ    $1, IC
+    self.Emit("ADDQ"   , _DI, _AX)                      // ADDQ    DI, AX
+    self.Rjmp("JMP"    , _AX)                           // JMP     AX
+
+    /* decode with native decoder */
+    self.Link("_decode_native")         // _decode_native:
+    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.Emit("LEAQ", _VAR_ss, _CX)     // LEAQ ss, CX
+    self.Emit("MOVQ", _VAR_df, _R8)     // MOVQ $df, R8
+    self.Emit("BTSQ", jit.Imm(_F_allow_control), _R8)  // ANDQ $1<<_F_allow_control, R8
+    self.callc(_F_value)                // CALL value
+    self.Emit("MOVQ", _AX, _IC)         // MOVQ AX, IC
+
+    /* check for errors */
+    self.Emit("MOVQ" , _VAR_ss_Vt, _AX)     // MOVQ  ss.Vt, AX
+    self.Emit("TESTQ", _AX, _AX)            // TESTQ AX, AX
+    self.Sjmp("JS"   , "_parsing_error")       
+    self.Sjmp("JZ"   , "_invalid_vtype")    // JZ    _invalid_vtype
+    self.Emit("CMPQ" , _AX, _V_max)         // CMPQ  AX, _V_max
+    self.Sjmp("JA"   , "_invalid_vtype")    // JA    _invalid_vtype
+
+    /* jump table selector */
+    self.Byte(0x48, 0x8d, 0x3d)                             // LEAQ    ?(PC), DI
+    self.Sref("_switch_table", 4)                           // ....    &_switch_table
+    self.Emit("MOVLQSX", jit.Sib(_DI, _AX, 4, -4), _AX)     // MOVLQSX -4(DI)(AX*4), AX
+    self.Emit("ADDQ"   , _DI, _AX)                          // ADDQ    DI, AX
+    self.Rjmp("JMP"    , _AX)                               // JMP     AX
+
+    /** V_EOF **/
+    self.Link("_decode_V_EOF")          // _decode_V_EOF:
+    self.Emit("MOVL", _E_eof, _EP)      // MOVL _E_eof, EP
+    self.Sjmp("JMP" , "_error")         // JMP  _error
+
+    /** V_NULL **/
+    self.Link("_decode_V_NULL")                 // _decode_V_NULL:
+    self.Emit("XORL", _R8, _R8)                 // XORL R8, R8
+    self.Emit("XORL", _R9, _R9)                 // XORL R9, R9
+    self.Emit("LEAQ", jit.Ptr(_IC, -4), _DI)    // LEAQ -4(IC), DI
+    self.Sjmp("JMP" , "_set_value")             // JMP  _set_value
+
+    /** V_TRUE **/
+    self.Link("_decode_V_TRUE")                 // _decode_V_TRUE:
+    self.Emit("MOVQ", _T_bool, _R8)             // MOVQ _T_bool, R8
+    // TODO: maybe modified by users?
+    self.Emit("MOVQ", _V_true, _R9)             // MOVQ _V_true, R9 
+    self.Emit("LEAQ", jit.Ptr(_IC, -4), _DI)    // LEAQ -4(IC), DI
+    self.Sjmp("JMP" , "_set_value")             // JMP  _set_value
+
+    /** V_FALSE **/
+    self.Link("_decode_V_FALSE")                // _decode_V_FALSE:
+    self.Emit("MOVQ", _T_bool, _R8)             // MOVQ _T_bool, R8
+    self.Emit("MOVQ", _V_false, _R9)            // MOVQ _V_false, R9
+    self.Emit("LEAQ", jit.Ptr(_IC, -5), _DI)    // LEAQ -5(IC), DI
+    self.Sjmp("JMP" , "_set_value")             // JMP  _set_value
+
+    /** V_ARRAY **/
+    self.Link("_decode_V_ARRAY")                            // _decode_V_ARRAY
+    self.Emit("MOVL", jit.Imm(_S_vmask), _DX)               // MOVL _S_vmask, DX
+    self.Emit("MOVQ", jit.Ptr(_ST, _ST_Sp), _CX)            // MOVQ ST.Sp, CX
+    self.Emit("MOVQ", jit.Sib(_ST, _CX, 8, _ST_Vt), _AX)    // MOVQ ST.Vt[CX], AX
+    self.Emit("BTQ" , _AX, _DX)                             // BTQ  AX, DX
+    self.Sjmp("JNC" , "_invalid_char")                      // JNC  _invalid_char
+
+    /* create a new array */
+    self.Emit("MOVQ", _T_eface, _AX)                            // MOVQ    _T_eface, AX
+    self.Emit("MOVQ", jit.Imm(_A_init_len), _BX)                // MOVQ    _A_init_len, BX
+    self.Emit("MOVQ", jit.Imm(_A_init_cap), _CX)                // MOVQ    _A_init_cap, CX
+    self.call_go(_F_makeslice)                                  // CALL_GO runtime.makeslice
+
+    /* pack into an interface */
+    self.Emit("MOVQ", jit.Imm(_A_init_len), _BX)                // MOVQ    _A_init_len, BX
+    self.Emit("MOVQ", jit.Imm(_A_init_cap), _CX)                // MOVQ    _A_init_cap, CX
+    self.call_go(_F_convTslice)                                 // CALL_GO runtime.convTslice
+    self.Emit("MOVQ", _AX, _R8)                                 // MOVQ    AX, R8
+
+    /* replace current state with an array */
+    self.Emit("MOVQ", jit.Ptr(_ST, _ST_Sp), _CX)                        // MOVQ ST.Sp, CX
+    self.Emit("MOVQ", jit.Sib(_ST, _CX, 8, _ST_Vp), _SI)                // MOVQ ST.Vp[CX], SI
+    self.Emit("MOVQ", jit.Imm(_S_arr), jit.Sib(_ST, _CX, 8, _ST_Vt))    // MOVQ _S_arr, ST.Vt[CX]
+    self.Emit("MOVQ", _T_slice, _AX)                                    // MOVQ _T_slice, AX
+    self.Emit("MOVQ", _AX, jit.Ptr(_SI, 0))                             // MOVQ AX, (SI)
+    self.WriteRecNotAX(2, _R8, jit.Ptr(_SI, 8), false)                  // MOVQ R8, 8(SI)
+
+    /* add a new slot for the first element */
+    self.Emit("ADDQ", jit.Imm(1), _CX)                                  // ADDQ $1, CX
+    self.Emit("CMPQ", _CX, jit.Imm(types.MAX_RECURSE))                  // CMPQ CX, ${types.MAX_RECURSE}
+    self.Sjmp("JAE"  , "_stack_overflow")                                // JA   _stack_overflow
+    self.Emit("MOVQ", jit.Ptr(_R8, 0), _AX)                             // MOVQ (R8), AX
+    self.Emit("MOVQ", _CX, jit.Ptr(_ST, _ST_Sp))                        // MOVQ CX, ST.Sp
+    self.WritePtrAX(3, jit.Sib(_ST, _CX, 8, _ST_Vp), false)             // MOVQ AX, ST.Vp[CX]
+    self.Emit("MOVQ", jit.Imm(_S_arr_0), jit.Sib(_ST, _CX, 8, _ST_Vt))  // MOVQ _S_arr_0, ST.Vt[CX]
+    self.Sjmp("JMP" , "_next")                                          // JMP  _next
+
+    /** V_OBJECT **/
+    self.Link("_decode_V_OBJECT")                                       // _decode_V_OBJECT:
+    self.Emit("MOVL", jit.Imm(_S_vmask), _DX)                           // MOVL    _S_vmask, DX
+    self.Emit("MOVQ", jit.Ptr(_ST, _ST_Sp), _CX)                        // MOVQ    ST.Sp, CX
+    self.Emit("MOVQ", jit.Sib(_ST, _CX, 8, _ST_Vt), _AX)                // MOVQ    ST.Vt[CX], AX
+    self.Emit("BTQ" , _AX, _DX)                                         // BTQ     AX, DX
+    self.Sjmp("JNC" , "_invalid_char")                                  // JNC     _invalid_char
+    self.call_go(_F_makemap_small)                                      // CALL_GO runtime.makemap_small
+    self.Emit("MOVQ", jit.Ptr(_ST, _ST_Sp), _CX)                        // MOVQ    ST.Sp, CX
+    self.Emit("MOVQ", jit.Imm(_S_obj_0), jit.Sib(_ST, _CX, 8, _ST_Vt))    // MOVQ    _S_obj_0, ST.Vt[CX]
+    self.Emit("MOVQ", jit.Sib(_ST, _CX, 8, _ST_Vp), _SI)                // MOVQ    ST.Vp[CX], SI
+    self.Emit("MOVQ", _T_map, _DX)                                      // MOVQ    _T_map, DX
+    self.Emit("MOVQ", _DX, jit.Ptr(_SI, 0))                             // MOVQ    DX, (SI)
+    self.WritePtrAX(4, jit.Ptr(_SI, 8), false)                          // MOVQ    AX, 8(SI)
+    self.Sjmp("JMP" , "_next")                                          // JMP     _next
+
+    /** V_STRING **/
+    self.Link("_decode_V_STRING")       // _decode_V_STRING:
+    self.Emit("MOVQ", _VAR_ss_Iv, _CX)  // MOVQ ss.Iv, CX
+    self.Emit("MOVQ", _IC, _AX)         // MOVQ IC, AX
+    self.Emit("SUBQ", _CX, _AX)         // SUBQ CX, AX
+
+    /* check for escapes */
+    self.Emit("CMPQ", _VAR_ss_Ep, jit.Imm(-1))          // CMPQ ss.Ep, $-1
+    self.Sjmp("JNE" , "_unquote")                       // JNE  _unquote
+    self.Emit("SUBQ", jit.Imm(1), _AX)                  // SUBQ $1, AX
+    self.Emit("LEAQ", jit.Sib(_IP, _CX, 1, 0), _R8)     // LEAQ (IP)(CX), R8
+    self.Byte(0x48, 0x8d, 0x3d)                         // LEAQ (PC), DI
+    self.Sref("_copy_string_end", 4)
+    self.Emit("BTQ", jit.Imm(_F_copy_string), _VAR_df)
+    self.Sjmp("JC", "copy_string")
+    self.Link("_copy_string_end")                                 
+    self.Emit("XORL", _DX, _DX)   
+
+    /* strings with no escape sequences */
+    self.Link("_noescape")                                  // _noescape:
+    self.Emit("MOVL", jit.Imm(_S_omask_key), _DI)               // MOVL _S_omask, DI
+    self.Emit("MOVQ", jit.Ptr(_ST, _ST_Sp), _CX)            // MOVQ ST.Sp, CX
+    self.Emit("MOVQ", jit.Sib(_ST, _CX, 8, _ST_Vt), _SI)    // MOVQ ST.Vt[CX], SI
+    self.Emit("BTQ" , _SI, _DI)                             // BTQ  SI, DI
+    self.Sjmp("JC"  , "_object_key")                        // JC   _object_key
+
+    /* check for pre-packed strings, avoid 1 allocation */
+    self.Emit("TESTQ", _DX, _DX)                // TESTQ   DX, DX
+    self.Sjmp("JNZ"  , "_packed_str")           // JNZ     _packed_str
+    self.Emit("MOVQ" , _AX, _BX)                // MOVQ    AX, BX
+    self.Emit("MOVQ" , _R8, _AX)                // MOVQ    R8, AX
+    self.call_go(_F_convTstring)                // CALL_GO runtime.convTstring
+    self.Emit("MOVQ" , _AX, _R9)                // MOVQ    AX, R9
+
+    /* packed string already in R9 */
+    self.Link("_packed_str")            // _packed_str:
+    self.Emit("MOVQ", _T_string, _R8)   // MOVQ _T_string, R8
+    self.Emit("MOVQ", _VAR_ss_Iv, _DI)  // MOVQ ss.Iv, DI
+    self.Emit("SUBQ", jit.Imm(1), _DI)  // SUBQ $1, DI
+    self.Sjmp("JMP" , "_set_value")     // JMP  _set_value
+
+    /* the string is an object key, get the map */
+    self.Link("_object_key")
+    self.Emit("MOVQ", jit.Ptr(_ST, _ST_Sp), _CX)            // MOVQ ST.Sp, CX
+    self.Emit("MOVQ", jit.Sib(_ST, _CX, 8, _ST_Vp), _SI)    // MOVQ ST.Vp[CX], SI
+    self.Emit("MOVQ", jit.Ptr(_SI, 8), _SI)                 // MOVQ 8(SI), SI
+
+    /* add a new delimiter */
+    self.Emit("ADDQ", jit.Imm(1), _CX)                                      // ADDQ $1, CX
+    self.Emit("CMPQ", _CX, jit.Imm(types.MAX_RECURSE))                      // CMPQ CX, ${types.MAX_RECURSE}
+    self.Sjmp("JAE"  , "_stack_overflow")                                    // JA   _stack_overflow
+    self.Emit("MOVQ", _CX, jit.Ptr(_ST, _ST_Sp))                            // MOVQ CX, ST.Sp
+    self.Emit("MOVQ", jit.Imm(_S_obj_delim), jit.Sib(_ST, _CX, 8, _ST_Vt))  // MOVQ _S_obj_delim, ST.Vt[CX]
+
+    /* add a new slot int the map */
+    self.Emit("MOVQ", _AX, _DI)                         // MOVQ    AX, DI
+    self.Emit("MOVQ", _T_map, _AX)                      // MOVQ    _T_map, AX
+    self.Emit("MOVQ", _SI, _BX)                         // MOVQ    SI, BX
+    self.Emit("MOVQ", _R8, _CX)                         // MOVQ    R9, CX
+    self.call_go(_F_mapassign_faststr)                  // CALL_GO runtime.mapassign_faststr
+
+    /* add to the pointer stack */
+    self.Emit("MOVQ", jit.Ptr(_ST, _ST_Sp), _CX)                 // MOVQ ST.Sp, CX
+    self.WritePtrAX(6, jit.Sib(_ST, _CX, 8, _ST_Vp), false)    // MOVQ AX, ST.Vp[CX]
+    self.Sjmp("JMP" , "_next")                                   // JMP  _next
+
+    /* allocate memory to store the string header and unquoted result */
+    self.Link("_unquote")                               // _unquote:
+    self.Emit("ADDQ", jit.Imm(15), _AX)                 // ADDQ    $15, AX
+    self.Emit("MOVQ", _T_byte, _BX)                     // MOVQ    _T_byte, BX
+    self.Emit("MOVB", jit.Imm(0), _CX)                  // MOVB    $0, CX
+    self.call_go(_F_mallocgc)                           // CALL_GO runtime.mallocgc
+    self.Emit("MOVQ", _AX, _R9)                         // MOVQ    AX, R9
+
+    /* prepare the unquoting parameters */
+    self.Emit("MOVQ" , _VAR_ss_Iv, _CX)                         // MOVQ  ss.Iv, CX
+    self.Emit("LEAQ" , jit.Sib(_IP, _CX, 1, 0), _DI)            // LEAQ  (IP)(CX), DI
+    self.Emit("NEGQ" , _CX)                                     // NEGQ  CX
+    self.Emit("LEAQ" , jit.Sib(_IC, _CX, 1, -1), _SI)           // LEAQ  -1(IC)(CX), SI
+    self.Emit("LEAQ" , jit.Ptr(_R9, 16), _DX)                   // LEAQ  16(R8), DX
+    self.Emit("LEAQ" , _VAR_ss_Ep, _CX)                         // LEAQ  ss.Ep, CX
+    self.Emit("XORL" , _R8, _R8)                                // XORL  R8, R8
+    self.Emit("BTQ"  , jit.Imm(_F_disable_urc), _VAR_df)        // 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
+
+    /* unquote the string, with R9 been preserved */
+    self.Emit("MOVQ", _R9, _VAR_R9)             // SAVE R9
+    self.call_c(_F_unquote)                     // CALL unquote
+    self.Emit("MOVQ", _VAR_R9, _R9)             // LOAD R9
+
+    /* check for errors */
+    self.Emit("TESTQ", _AX, _AX)                // TESTQ AX, AX
+    self.Sjmp("JS"   , "_unquote_error")        // JS    _unquote_error
+    self.Emit("MOVL" , jit.Imm(1), _DX)         // MOVL  $1, DX
+    self.Emit("LEAQ" , jit.Ptr(_R9, 16), _R8)   // ADDQ  $16, R8
+    self.Emit("MOVQ" , _R8, jit.Ptr(_R9, 0))    // MOVQ  R8, (R9)
+    self.Emit("MOVQ" , _AX, jit.Ptr(_R9, 8))    // MOVQ  AX, 8(R9)
+    self.Sjmp("JMP"  , "_noescape")             // JMP   _noescape
+
+    /** V_DOUBLE **/
+    self.Link("_decode_V_DOUBLE")                           // _decode_V_DOUBLE:
+    self.Emit("BTQ"  , jit.Imm(_F_use_number), _VAR_df)     // BTQ     _F_use_number, df
+    self.Sjmp("JC"   , "_use_number")                       // JC      _use_number
+    self.Emit("MOVSD", _VAR_ss_Dv, _X0)                     // MOVSD   ss.Dv, X0
+    self.Sjmp("JMP"  , "_use_float64")                      // JMP     _use_float64
+
+    /** V_INTEGER **/
+    self.Link("_decode_V_INTEGER")                          // _decode_V_INTEGER:
+    self.Emit("BTQ"     , jit.Imm(_F_use_number), _VAR_df)  // BTQ      _F_use_number, df
+    self.Sjmp("JC"      , "_use_number")                    // JC       _use_number
+    self.Emit("BTQ"     , jit.Imm(_F_use_int64), _VAR_df)   // BTQ      _F_use_int64, df
+    self.Sjmp("JC"      , "_use_int64")                     // JC       _use_int64
+    //TODO: use ss.Dv directly
+    self.Emit("MOVSD", _VAR_ss_Dv, _X0)                  // MOVSD   ss.Dv, X0
+
+    /* represent numbers as `float64` */
+    self.Link("_use_float64")                   // _use_float64:
+    self.Emit("MOVQ" , _X0, _AX)                // MOVQ   X0, AX
+    self.call_go(_F_convT64)                    // CALL_GO runtime.convT64
+    self.Emit("MOVQ" , _T_float64, _R8)         // MOVQ    _T_float64, R8
+    self.Emit("MOVQ" , _AX, _R9)                // MOVQ    AX, R9
+    self.Emit("MOVQ" , _VAR_ss_Ep, _DI)         // MOVQ    ss.Ep, DI
+    self.Sjmp("JMP"  , "_set_value")            // JMP     _set_value
+
+    /* represent numbers as `json.Number` */
+    self.Link("_use_number")                            // _use_number
+    self.Emit("MOVQ", _VAR_ss_Ep, _AX)                  // MOVQ    ss.Ep, AX
+    self.Emit("LEAQ", jit.Sib(_IP, _AX, 1, 0), _SI)     // LEAQ    (IP)(AX), SI
+    self.Emit("MOVQ", _IC, _CX)                         // MOVQ    IC, CX
+    self.Emit("SUBQ", _AX, _CX)                         // SUBQ    AX, CX
+    self.Emit("MOVQ", _SI, _AX)                         // MOVQ    SI, AX
+    self.Emit("MOVQ", _CX, _BX)                         // MOVQ    CX, BX
+    self.call_go(_F_convTstring)                        // CALL_GO runtime.convTstring
+    self.Emit("MOVQ", _T_number, _R8)                   // MOVQ    _T_number, R8
+    self.Emit("MOVQ", _AX, _R9)                         // MOVQ    AX, R9
+    self.Emit("MOVQ", _VAR_ss_Ep, _DI)                  // MOVQ    ss.Ep, DI
+    self.Sjmp("JMP" , "_set_value")                     // JMP     _set_value
+
+    /* represent numbers as `int64` */
+    self.Link("_use_int64")                     // _use_int64:
+    self.Emit("MOVQ", _VAR_ss_Iv, _AX)          // MOVQ    ss.Iv, AX
+    self.call_go(_F_convT64)                    // CALL_GO runtime.convT64
+    self.Emit("MOVQ", _T_int64, _R8)            // MOVQ    _T_int64, R8
+    self.Emit("MOVQ", _AX, _R9)                 // MOVQ    AX, R9
+    self.Emit("MOVQ", _VAR_ss_Ep, _DI)          // MOVQ    ss.Ep, DI
+    self.Sjmp("JMP" , "_set_value")             // JMP     _set_value
+
+    /** V_KEY_SEP **/
+    self.Link("_decode_V_KEY_SEP")                                          // _decode_V_KEY_SEP:
+    self.Emit("MOVQ", jit.Ptr(_ST, _ST_Sp), _CX)                            // MOVQ ST.Sp, CX
+    self.Emit("MOVQ", jit.Sib(_ST, _CX, 8, _ST_Vt), _AX)                    // MOVQ ST.Vt[CX], AX
+    self.Emit("CMPQ", _AX, jit.Imm(_S_obj_delim))                           // CMPQ AX, _S_obj_delim
+    self.Sjmp("JNE" , "_invalid_char")                                      // JNE  _invalid_char
+    self.Emit("MOVQ", jit.Imm(_S_val), jit.Sib(_ST, _CX, 8, _ST_Vt))        // MOVQ _S_val, ST.Vt[CX]
+    self.Emit("MOVQ", jit.Imm(_S_obj), jit.Sib(_ST, _CX, 8, _ST_Vt - 8))    // MOVQ _S_obj, ST.Vt[CX - 1]
+    self.Sjmp("JMP" , "_next")                                              // JMP  _next
+
+    /** V_ELEM_SEP **/
+    self.Link("_decode_V_ELEM_SEP")                          // _decode_V_ELEM_SEP:
+    self.Emit("MOVQ" , jit.Ptr(_ST, _ST_Sp), _CX)            // MOVQ     ST.Sp, CX
+    self.Emit("MOVQ" , jit.Sib(_ST, _CX, 8, _ST_Vt), _AX)    // MOVQ     ST.Vt[CX], AX
+    self.Emit("CMPQ" , _AX, jit.Imm(_S_arr))      
+    self.Sjmp("JE"   , "_array_sep")                         // JZ       _next
+    self.Emit("CMPQ" , _AX, jit.Imm(_S_obj))                 // CMPQ     _AX, _S_arr
+    self.Sjmp("JNE"  , "_invalid_char")                      // JNE      _invalid_char
+    self.Emit("MOVQ" , jit.Imm(_S_obj_sep), jit.Sib(_ST, _CX, 8, _ST_Vt))
+    self.Sjmp("JMP"  , "_next")                              // JMP      _next
+
+    /* arrays */
+    self.Link("_array_sep")
+    self.Emit("MOVQ", jit.Sib(_ST, _CX, 8, _ST_Vp), _SI)    // MOVQ ST.Vp[CX], SI
+    self.Emit("MOVQ", jit.Ptr(_SI, 8), _SI)                 // MOVQ 8(SI), SI
+    self.Emit("MOVQ", jit.Ptr(_SI, 8), _DX)                 // MOVQ 8(SI), DX
+    self.Emit("CMPQ", _DX, jit.Ptr(_SI, 16))                // CMPQ DX, 16(SI)
+    self.Sjmp("JAE" , "_array_more")                        // JAE  _array_more
+
+    /* add a slot for the new element */
+    self.Link("_array_append")                                          // _array_append:
+    self.Emit("ADDQ", jit.Imm(1), jit.Ptr(_SI, 8))                      // ADDQ $1, 8(SI)
+    self.Emit("MOVQ", jit.Ptr(_SI, 0), _SI)                             // MOVQ (SI), SI
+    self.Emit("ADDQ", jit.Imm(1), _CX)                                  // ADDQ $1, CX
+    self.Emit("CMPQ", _CX, jit.Imm(types.MAX_RECURSE))                  // CMPQ CX, ${types.MAX_RECURSE}
+    self.Sjmp("JAE"  , "_stack_overflow")                                // JA   _stack_overflow
+    self.Emit("SHLQ", jit.Imm(1), _DX)                                  // SHLQ $1, DX
+    self.Emit("LEAQ", jit.Sib(_SI, _DX, 8, 0), _SI)                     // LEAQ (SI)(DX*8), SI
+    self.Emit("MOVQ", _CX, jit.Ptr(_ST, _ST_Sp))                        // MOVQ CX, ST.Sp
+    self.WriteRecNotAX(7 , _SI, jit.Sib(_ST, _CX, 8, _ST_Vp), false)           // MOVQ SI, ST.Vp[CX]
+    self.Emit("MOVQ", jit.Imm(_S_val), jit.Sib(_ST, _CX, 8, _ST_Vt))    // MOVQ _S_val, ST.Vt[CX}
+    self.Sjmp("JMP" , "_next")                                          // JMP  _next
+
+    /** V_ARRAY_END **/
+    self.Link("_decode_V_ARRAY_END")                        // _decode_V_ARRAY_END:
+    self.Emit("XORL", _DX, _DX)                             // XORL DX, DX
+    self.Emit("MOVQ", jit.Ptr(_ST, _ST_Sp), _CX)            // MOVQ ST.Sp, CX
+    self.Emit("MOVQ", jit.Sib(_ST, _CX, 8, _ST_Vt), _AX)    // MOVQ ST.Vt[CX], AX
+    self.Emit("CMPQ", _AX, jit.Imm(_S_arr_0))               // CMPQ AX, _S_arr_0
+    self.Sjmp("JE"  , "_first_item")                        // JE   _first_item
+    self.Emit("CMPQ", _AX, jit.Imm(_S_arr))                 // CMPQ AX, _S_arr
+    self.Sjmp("JNE" , "_invalid_char")                      // JNE  _invalid_char
+    self.Emit("SUBQ", jit.Imm(1), jit.Ptr(_ST, _ST_Sp))     // SUBQ $1, ST.Sp
+    self.Emit("MOVQ", _DX, jit.Sib(_ST, _CX, 8, _ST_Vp))    // MOVQ DX, ST.Vp[CX]
+    self.Sjmp("JMP" , "_next")                              // JMP  _next
+
+    /* first element of an array */
+    self.Link("_first_item")                                    // _first_item:
+    self.Emit("MOVQ", jit.Ptr(_ST, _ST_Sp), _CX)                // MOVQ ST.Sp, CX
+    self.Emit("SUBQ", jit.Imm(2), jit.Ptr(_ST, _ST_Sp))         // SUBQ $2, ST.Sp
+    self.Emit("MOVQ", jit.Sib(_ST, _CX, 8, _ST_Vp - 8), _SI)    // MOVQ ST.Vp[CX - 1], SI
+    self.Emit("MOVQ", jit.Ptr(_SI, 8), _SI)                     // MOVQ 8(SI), SI
+    self.Emit("MOVQ", _DX, jit.Sib(_ST, _CX, 8, _ST_Vp - 8))    // MOVQ DX, ST.Vp[CX - 1]
+    self.Emit("MOVQ", _DX, jit.Sib(_ST, _CX, 8, _ST_Vp))        // MOVQ DX, ST.Vp[CX]
+    self.Emit("MOVQ", _DX, jit.Ptr(_SI, 8))                     // MOVQ DX, 8(SI)
+    self.Sjmp("JMP" , "_next")                                  // JMP  _next
+
+    /** V_OBJECT_END **/
+    self.Link("_decode_V_OBJECT_END")                       // _decode_V_OBJECT_END:
+    self.Emit("MOVL", jit.Imm(_S_omask_end), _DI)           // MOVL _S_omask, DI
+    self.Emit("MOVQ", jit.Ptr(_ST, _ST_Sp), _CX)            // MOVQ ST.Sp, CX
+    self.Emit("MOVQ", jit.Sib(_ST, _CX, 8, _ST_Vt), _AX)    // MOVQ ST.Vt[CX], AX
+    self.Emit("BTQ" , _AX, _DI)                    
+    self.Sjmp("JNC" , "_invalid_char")                      // JNE  _invalid_char
+    self.Emit("XORL", _AX, _AX)                             // XORL AX, AX
+    self.Emit("SUBQ", jit.Imm(1), jit.Ptr(_ST, _ST_Sp))     // SUBQ $1, ST.Sp
+    self.Emit("MOVQ", _AX, jit.Sib(_ST, _CX, 8, _ST_Vp))    // MOVQ AX, ST.Vp[CX]
+    self.Sjmp("JMP" , "_next")                              // JMP  _next
+
+    /* return from decoder */
+    self.Link("_return")                            // _return:
+    self.Emit("XORL", _EP, _EP)                     // XORL EP, EP
+    self.Emit("MOVQ", _EP, jit.Ptr(_ST, _ST_Vp))    // MOVQ EP, ST.Vp[0]
+    self.Link("_epilogue")                          // _epilogue:
+    self.Emit("SUBQ", jit.Imm(_FsmOffset), _ST)     // SUBQ _FsmOffset, _ST
+    self.Emit("MOVQ", jit.Ptr(_SP, _VD_offs), _BP)  // MOVQ _VD_offs(SP), BP
+    self.Emit("ADDQ", jit.Imm(_VD_size), _SP)       // ADDQ $_VD_size, SP
+    self.Emit("RET")                                // RET
+
+    /* array expand */
+    self.Link("_array_more")                    // _array_more:
+    self.Emit("MOVQ" , _T_eface, _AX)           // MOVQ    _T_eface, AX
+    self.Emit("MOVQ" , jit.Ptr(_SI, 0), _BX)    // MOVQ   (SI), BX
+    self.Emit("MOVQ" , jit.Ptr(_SI, 8), _CX)    // MOVQ   8(SI), CX
+    self.Emit("MOVQ" , jit.Ptr(_SI, 16), _DI)   // MOVQ    16(SI), DI
+    self.Emit("MOVQ" , _DI, _SI)                // MOVQ    DI, 24(SP)
+    self.Emit("SHLQ" , jit.Imm(1), _SI)         // SHLQ    $1, SI
+    self.call_go(_F_growslice)                  // CALL_GO runtime.growslice
+    self.Emit("MOVQ" , _AX, _DI)                // MOVQ   AX, DI
+    self.Emit("MOVQ" , _BX, _DX)                // MOVQ   BX, DX
+    self.Emit("MOVQ" , _CX, _AX)                // MOVQ   CX, AX
+             
+    /* update the slice */
+    self.Emit("MOVQ", jit.Ptr(_ST, _ST_Sp), _CX)            // MOVQ ST.Sp, CX
+    self.Emit("MOVQ", jit.Sib(_ST, _CX, 8, _ST_Vp), _SI)    // MOVQ ST.Vp[CX], SI
+    self.Emit("MOVQ", jit.Ptr(_SI, 8), _SI)                 // MOVQ 8(SI), SI
+    self.Emit("MOVQ", _DX, jit.Ptr(_SI, 8))                 // MOVQ DX, 8(SI)
+    self.Emit("MOVQ", _AX, jit.Ptr(_SI, 16))                // MOVQ AX, 16(AX)
+    self.WriteRecNotAX(8 , _DI, jit.Ptr(_SI, 0), false)                 // MOVQ R10, (SI)
+    self.Sjmp("JMP" , "_array_append")                      // JMP  _array_append
+
+    /* copy string */
+    self.Link("copy_string")  // pointer: R8, length: AX, return addr: DI
+    self.Emit("MOVQ", _R8, _VAR_cs_p)
+    self.Emit("MOVQ", _AX, _VAR_cs_n)
+    self.Emit("MOVQ", _DI, _VAR_cs_LR)
+    self.Emit("MOVQ", _AX, _BX)
+    self.Emit("MOVQ", _AX, _CX)
+    self.Emit("MOVQ", _T_byte, _AX)
+    self.call_go(_F_makeslice)                              
+    self.Emit("MOVQ", _AX, _VAR_cs_d)                    
+    self.Emit("MOVQ", _VAR_cs_p, _BX)
+    self.Emit("MOVQ", _VAR_cs_n, _CX)
+    self.call_go(_F_memmove)
+    self.Emit("MOVQ", _VAR_cs_d, _R8)
+    self.Emit("MOVQ", _VAR_cs_n, _AX)
+    self.Emit("MOVQ", _VAR_cs_LR, _DI)
+    self.Rjmp("JMP", _DI)
+
+    /* error handlers */
+    self.Link("_stack_overflow")
+    self.Emit("MOVL" , _E_recurse, _EP)         // MOVQ  _E_recurse, EP
+    self.Sjmp("JMP"  , "_error")                // JMP   _error
+    self.Link("_vtype_error")                   // _vtype_error:
+    self.Emit("MOVQ" , _DI, _IC)                // MOVQ  DI, IC
+    self.Emit("MOVL" , _E_invalid, _EP)         // MOVL  _E_invalid, EP
+    self.Sjmp("JMP"  , "_error")                // JMP   _error
+    self.Link("_invalid_char")                  // _invalid_char:
+    self.Emit("SUBQ" , jit.Imm(1), _IC)         // SUBQ  $1, IC
+    self.Emit("MOVL" , _E_invalid, _EP)         // MOVL  _E_invalid, EP
+    self.Sjmp("JMP"  , "_error")                // JMP   _error
+    self.Link("_unquote_error")                 // _unquote_error:
+    self.Emit("MOVQ" , _VAR_ss_Iv, _IC)         // MOVQ  ss.Iv, IC
+    self.Emit("SUBQ" , jit.Imm(1), _IC)         // SUBQ  $1, IC
+    self.Link("_parsing_error")                 // _parsing_error:
+    self.Emit("NEGQ" , _AX)                     // NEGQ  AX
+    self.Emit("MOVQ" , _AX, _EP)                // MOVQ  AX, EP
+    self.Link("_error")                         // _error:
+    self.Emit("PXOR" , _X0, _X0)                // PXOR  X0, X0
+    self.Emit("MOVOU", _X0, jit.Ptr(_VP, 0))    // MOVOU X0, (VP)
+    self.Sjmp("JMP"  , "_epilogue")             // JMP   _epilogue
+
+    /* invalid value type, never returns */
+    self.Link("_invalid_vtype")
+    self.call_go(_F_invalid_vtype)                 // CALL invalid_type
+    self.Emit("UD2")                            // UD2
+
+    /* switch jump table */
+    self.Link("_switch_table")              // _switch_table:
+    self.Sref("_decode_V_EOF", 0)           // SREF &_decode_V_EOF, $0
+    self.Sref("_decode_V_NULL", -4)         // SREF &_decode_V_NULL, $-4
+    self.Sref("_decode_V_TRUE", -8)         // SREF &_decode_V_TRUE, $-8
+    self.Sref("_decode_V_FALSE", -12)       // SREF &_decode_V_FALSE, $-12
+    self.Sref("_decode_V_ARRAY", -16)       // SREF &_decode_V_ARRAY, $-16
+    self.Sref("_decode_V_OBJECT", -20)      // SREF &_decode_V_OBJECT, $-20
+    self.Sref("_decode_V_STRING", -24)      // SREF &_decode_V_STRING, $-24
+    self.Sref("_decode_V_DOUBLE", -28)      // SREF &_decode_V_DOUBLE, $-28
+    self.Sref("_decode_V_INTEGER", -32)     // SREF &_decode_V_INTEGER, $-32
+    self.Sref("_decode_V_KEY_SEP", -36)     // SREF &_decode_V_KEY_SEP, $-36
+    self.Sref("_decode_V_ELEM_SEP", -40)    // SREF &_decode_V_ELEM_SEP, $-40
+    self.Sref("_decode_V_ARRAY_END", -44)   // SREF &_decode_V_ARRAY_END, $-44
+    self.Sref("_decode_V_OBJECT_END", -48)  // SREF &_decode_V_OBJECT_END, $-48
+
+    /* fast character lookup table */
+    self.Link("_decode_tab")        // _decode_tab:
+    self.Sref("_decode_V_EOF", 0)   // SREF &_decode_V_EOF, $0
+
+    /* generate rest of the tabs */
+    for i := 1; i < 256; i++ {
+        if to, ok := _R_tab[i]; ok {
+            self.Sref(to, -int64(i) * 4)
+        } else {
+            self.Byte(0x00, 0x00, 0x00, 0x00)
+        }
+    }
+}
+
+/** Generic Decoder **/
+
+var (
+    _subr_decode_value = new(_ValueDecoder).build()
+)
+
+//go:nosplit
+func invalid_vtype(vt types.ValueType) {
+    throw(fmt.Sprintf("invalid value type: %d", vt))
+}

vendor/github.com/bytedance/sonic/internal/decoder/jitdec/generic_regabi_amd64_test.s

@@ -0,0 +1,37 @@
+// +build go1.17,!go1.24
+
+//
+// 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.
+//
+
+#include "go_asm.h"
+#include "funcdata.h"
+#include "textflag.h"
+
+TEXT ·decodeValueStub(SB), NOSPLIT, $0 - 72
+    NO_LOCAL_POINTERS
+    PXOR  X0, X0
+    MOVOU X0, rv+48(FP)
+    MOVQ  st+0(FP) , R13
+    MOVQ  sp+8(FP) , R10
+    MOVQ  sn+16(FP), R12
+    MOVQ  ic+24(FP), R11
+    MOVQ  vp+32(FP), R15
+    MOVQ  df+40(FP), AX
+    MOVQ  ·_subr_decode_value(SB), BX
+    CALL  BX
+    MOVQ  R11, rp+48(FP)
+    MOVQ  BX, ex+56(FP)
+    RET

vendor/github.com/bytedance/sonic/internal/decoder/jitdec/pools.go

@@ -0,0 +1,145 @@
+/*
+ * 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 jitdec
+
+import (
+    `sync`
+    `unsafe`
+
+    `github.com/bytedance/sonic/internal/caching`
+    `github.com/bytedance/sonic/internal/native/types`
+    `github.com/bytedance/sonic/internal/rt`
+)
+
+const (
+    _MinSlice = 2
+    _MaxStack = 4096 // 4k slots
+    _MaxStackBytes = _MaxStack * _PtrBytes
+    _MaxDigitNums = types.MaxDigitNums  // used in atof fallback algorithm
+)
+
+const (
+    _PtrBytes   = _PTR_SIZE / 8
+    _FsmOffset  = (_MaxStack + 1) * _PtrBytes
+    _DbufOffset = _FsmOffset + int64(unsafe.Sizeof(types.StateMachine{})) + types.MAX_RECURSE * _PtrBytes
+    _EpOffset   = _DbufOffset + _MaxDigitNums
+    _StackSize  = unsafe.Sizeof(_Stack{})
+)
+
+var (
+    stackPool     = sync.Pool{}
+    valueCache    = []unsafe.Pointer(nil)
+    fieldCache    = []*caching.FieldMap(nil)
+    fieldCacheMux = sync.Mutex{}
+    programCache  = caching.CreateProgramCache()
+)
+
+type _Stack struct {
+    sp uintptr
+    sb [_MaxStack]unsafe.Pointer
+    mm types.StateMachine
+    vp [types.MAX_RECURSE]unsafe.Pointer
+    dp [_MaxDigitNums]byte
+    ep unsafe.Pointer
+}
+
+type _Decoder func(
+    s  string,
+    i  int,
+    vp unsafe.Pointer,
+    sb *_Stack,
+    fv uint64,
+    sv string, // DO NOT pass value to this arguement, since it is only used for local _VAR_sv
+    vk unsafe.Pointer, // DO NOT pass value to this arguement, since it is only used for local _VAR_vk
+) (int, error)
+
+var _KeepAlive struct {
+    s string
+    i int
+    vp unsafe.Pointer
+    sb *_Stack
+    fv uint64
+    sv string
+    vk unsafe.Pointer
+
+    ret int
+    err error
+
+    frame_decoder [_FP_offs]byte
+    frame_generic [_VD_offs]byte
+}
+
+var (
+    argPtrs   = []bool{true, false, false, true, true, false, true, false, true}
+    localPtrs = []bool{}
+)
+
+var (
+    argPtrs_generic   = []bool{true}
+    localPtrs_generic = []bool{}
+)
+
+func newStack() *_Stack {
+    if ret := stackPool.Get(); ret == nil {
+        return new(_Stack)
+    } else {
+        return ret.(*_Stack)
+    }
+}
+
+func resetStack(p *_Stack) {
+    memclrNoHeapPointers(unsafe.Pointer(p), _StackSize)
+}
+
+func freeStack(p *_Stack) {
+    p.sp = 0
+    stackPool.Put(p)
+}
+
+func freezeValue(v unsafe.Pointer) uintptr {
+    valueCache = append(valueCache, v)
+    return uintptr(v)
+}
+
+func freezeFields(v *caching.FieldMap) int64 {
+    fieldCacheMux.Lock()
+    fieldCache = append(fieldCache, v)
+    fieldCacheMux.Unlock()
+    return referenceFields(v)
+}
+
+func referenceFields(v *caching.FieldMap) int64 {
+    return int64(uintptr(unsafe.Pointer(v)))
+}
+
+func makeDecoder(vt *rt.GoType, _ ...interface{}) (interface{}, error) {
+    if pp, err := newCompiler().compile(vt.Pack()); err != nil {
+        return nil, err
+    } else {
+        return newAssembler(pp).Load(), nil
+    }
+}
+
+func findOrCompile(vt *rt.GoType) (_Decoder, error) {
+    if val := programCache.Get(vt); val != nil {
+        return val.(_Decoder), nil
+    } else if ret, err := programCache.Compute(vt, makeDecoder); err == nil {
+        return ret.(_Decoder), nil
+    } else {
+        return nil, err
+    }
+}

vendor/github.com/bytedance/sonic/internal/decoder/jitdec/primitives.go

@@ -0,0 +1,58 @@
+/*
+ * 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 jitdec
+
+import (
+    `encoding`
+    `encoding/json`
+    `unsafe`
+
+    `github.com/bytedance/sonic/internal/native`
+    `github.com/bytedance/sonic/internal/rt`
+)
+
+func decodeTypedPointer(s string, i int, vt *rt.GoType, vp unsafe.Pointer, sb *_Stack, fv uint64) (int, error) {
+    if fn, err := findOrCompile(vt); err != nil {
+        return 0, err
+    } else {
+        rt.MoreStack(_FP_size + _VD_size + native.MaxFrameSize)
+        ret, err := fn(s, i, vp, sb, fv, "", nil)
+        return ret, err
+    }
+}
+
+func decodeJsonUnmarshaler(vv interface{}, s string) error {
+    return vv.(json.Unmarshaler).UnmarshalJSON(rt.Str2Mem(s))
+}
+
+// used to distinguish between MismatchQuoted and other MismatchedTyped errors, see issue #670 and #716
+type MismatchQuotedError struct {}
+
+func (*MismatchQuotedError) Error() string {
+    return "mismatch quoted"
+}
+
+func decodeJsonUnmarshalerQuoted(vv interface{}, s string) error {
+    if len(s) < 2 || s[0] != '"' || s[len(s)-1] != '"' {
+        return &MismatchQuotedError{}
+    }
+    return vv.(json.Unmarshaler).UnmarshalJSON(rt.Str2Mem(s[1:len(s)-1]))
+}
+
+func decodeTextUnmarshaler(vv interface{}, s string) error {
+    return vv.(encoding.TextUnmarshaler).UnmarshalText(rt.Str2Mem(s))
+}

vendor/github.com/bytedance/sonic/internal/decoder/jitdec/stubs_go116.go

@@ -0,0 +1,106 @@
+// +build go1.17,!go1.20
+
+/*
+ * 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 jitdec
+
+import (
+    `unsafe`
+    `reflect`
+
+    _ `github.com/cloudwego/base64x`
+
+    `github.com/bytedance/sonic/internal/rt`
+)
+
+//go:linkname _subr__b64decode github.com/cloudwego/base64x._subr__b64decode
+var _subr__b64decode uintptr
+
+// runtime.maxElementSize
+const _max_map_element_size uintptr = 128
+
+func mapfast(vt reflect.Type) bool {
+    return vt.Elem().Size() <= _max_map_element_size
+}
+
+//go:nosplit
+//go:linkname throw runtime.throw
+//goland:noinspection GoUnusedParameter
+func throw(s string)
+
+//go:linkname convT64 runtime.convT64
+//goland:noinspection GoUnusedParameter
+func convT64(v uint64) unsafe.Pointer
+
+//go:linkname convTslice runtime.convTslice
+//goland:noinspection GoUnusedParameter
+func convTslice(v []byte) unsafe.Pointer
+
+//go:linkname convTstring runtime.convTstring
+//goland:noinspection GoUnusedParameter
+func convTstring(v string) unsafe.Pointer
+
+//go:noescape
+//go:linkname memequal runtime.memequal
+//goland:noinspection GoUnusedParameter
+func memequal(a unsafe.Pointer, b unsafe.Pointer, size uintptr) bool
+
+//go:noescape
+//go:linkname memmove runtime.memmove
+//goland:noinspection GoUnusedParameter
+func memmove(to unsafe.Pointer, from unsafe.Pointer, n uintptr)
+
+//go:linkname mallocgc runtime.mallocgc
+//goland:noinspection GoUnusedParameter
+func mallocgc(size uintptr, typ *rt.GoType, needzero bool) unsafe.Pointer
+
+//go:linkname makeslice runtime.makeslice
+//goland:noinspection GoUnusedParameter
+func makeslice(et *rt.GoType, len int, cap int) unsafe.Pointer
+
+//go:linkname makemap_small runtime.makemap_small
+func makemap_small() unsafe.Pointer
+
+//go:linkname mapassign runtime.mapassign
+//goland:noinspection GoUnusedParameter
+func mapassign(t *rt.GoType, h unsafe.Pointer, k unsafe.Pointer) unsafe.Pointer
+
+//go:linkname mapassign_fast32 runtime.mapassign_fast32
+//goland:noinspection GoUnusedParameter
+func mapassign_fast32(t *rt.GoType, h unsafe.Pointer, k uint32) unsafe.Pointer
+
+//go:linkname mapassign_fast64 runtime.mapassign_fast64
+//goland:noinspection GoUnusedParameter
+func mapassign_fast64(t *rt.GoType, h unsafe.Pointer, k uint64) unsafe.Pointer
+
+//go:linkname mapassign_fast64ptr runtime.mapassign_fast64ptr
+//goland:noinspection GoUnusedParameter
+func mapassign_fast64ptr(t *rt.GoType, h unsafe.Pointer, k unsafe.Pointer) unsafe.Pointer
+
+//go:linkname mapassign_faststr runtime.mapassign_faststr
+//goland:noinspection GoUnusedParameter
+func mapassign_faststr(t *rt.GoType, h unsafe.Pointer, s string) unsafe.Pointer
+
+//go:nosplit
+//go:linkname memclrHasPointers runtime.memclrHasPointers
+//goland:noinspection GoUnusedParameter
+func memclrHasPointers(ptr unsafe.Pointer, n uintptr)
+
+//go:noescape
+//go:linkname memclrNoHeapPointers runtime.memclrNoHeapPointers
+//goland:noinspection GoUnusedParameter
+func memclrNoHeapPointers(ptr unsafe.Pointer, n uintptr)

vendor/github.com/bytedance/sonic/internal/decoder/jitdec/stubs_go120.go

@@ -0,0 +1,106 @@
+// +build go1.20
+
+/*
+ * 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 jitdec
+
+import (
+    `unsafe`
+    `reflect`
+
+    _ `github.com/cloudwego/base64x`
+
+    `github.com/bytedance/sonic/internal/rt`
+)
+
+//go:linkname _subr__b64decode github.com/cloudwego/base64x._subr__b64decode
+var _subr__b64decode uintptr
+
+// runtime.maxElementSize
+const _max_map_element_size uintptr = 128
+
+func mapfast(vt reflect.Type) bool {
+    return vt.Elem().Size() <= _max_map_element_size
+}
+
+//go:nosplit
+//go:linkname throw runtime.throw
+//goland:noinspection GoUnusedParameter
+func throw(s string)
+
+//go:linkname convT64 runtime.convT64
+//goland:noinspection GoUnusedParameter
+func convT64(v uint64) unsafe.Pointer
+
+//go:linkname convTslice runtime.convTslice
+//goland:noinspection GoUnusedParameter
+func convTslice(v []byte) unsafe.Pointer
+
+//go:linkname convTstring runtime.convTstring
+//goland:noinspection GoUnusedParameter
+func convTstring(v string) unsafe.Pointer
+
+//go:noescape
+//go:linkname memequal runtime.memequal
+//goland:noinspection GoUnusedParameter
+func memequal(a unsafe.Pointer, b unsafe.Pointer, size uintptr) bool
+
+//go:noescape
+//go:linkname memmove runtime.memmove
+//goland:noinspection GoUnusedParameter
+func memmove(to unsafe.Pointer, from unsafe.Pointer, n uintptr)
+
+//go:linkname mallocgc runtime.mallocgc
+//goland:noinspection GoUnusedParameter
+func mallocgc(size uintptr, typ *rt.GoType, needzero bool) unsafe.Pointer
+
+//go:linkname makeslice runtime.makeslice
+//goland:noinspection GoUnusedParameter
+func makeslice(et *rt.GoType, len int, cap int) unsafe.Pointer
+
+//go:linkname makemap_small runtime.makemap_small
+func makemap_small() unsafe.Pointer
+
+//go:linkname mapassign runtime.mapassign
+//goland:noinspection GoUnusedParameter
+func mapassign(t *rt.GoMapType, h unsafe.Pointer, k unsafe.Pointer) unsafe.Pointer
+
+//go:linkname mapassign_fast32 runtime.mapassign_fast32
+//goland:noinspection GoUnusedParameter
+func mapassign_fast32(t *rt.GoMapType, h unsafe.Pointer, k uint32) unsafe.Pointer
+
+//go:linkname mapassign_fast64 runtime.mapassign_fast64
+//goland:noinspection GoUnusedParameter
+func mapassign_fast64(t *rt.GoMapType, h unsafe.Pointer, k uint64) unsafe.Pointer
+
+//go:linkname mapassign_fast64ptr runtime.mapassign_fast64ptr
+//goland:noinspection GoUnusedParameter
+func mapassign_fast64ptr(t *rt.GoMapType, h unsafe.Pointer, k unsafe.Pointer) unsafe.Pointer
+
+//go:linkname mapassign_faststr runtime.mapassign_faststr
+//goland:noinspection GoUnusedParameter
+func mapassign_faststr(t *rt.GoMapType, h unsafe.Pointer, s string) unsafe.Pointer
+
+//go:nosplit
+//go:linkname memclrHasPointers runtime.memclrHasPointers
+//goland:noinspection GoUnusedParameter
+func memclrHasPointers(ptr unsafe.Pointer, n uintptr)
+
+//go:noescape
+//go:linkname memclrNoHeapPointers runtime.memclrNoHeapPointers
+//goland:noinspection GoUnusedParameter
+func memclrNoHeapPointers(ptr unsafe.Pointer, n uintptr)

vendor/github.com/bytedance/sonic/internal/decoder/jitdec/types.go

@@ -0,0 +1,58 @@
+/*
+ * 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 jitdec
+
+import (
+    `encoding`
+    `encoding/base64`
+    `encoding/json`
+    `reflect`
+    `unsafe`
+
+    `github.com/bytedance/sonic/internal/rt`
+)
+
+var (
+    byteType                = reflect.TypeOf(byte(0))
+    intType                 = reflect.TypeOf(int(0))
+    int8Type                = reflect.TypeOf(int8(0))
+    int16Type               = reflect.TypeOf(int16(0))
+    int32Type               = reflect.TypeOf(int32(0))
+    int64Type               = reflect.TypeOf(int64(0))
+    uintType                = reflect.TypeOf(uint(0))
+    uint8Type               = reflect.TypeOf(uint8(0))
+    uint16Type              = reflect.TypeOf(uint16(0))
+    uint32Type              = reflect.TypeOf(uint32(0))
+    uint64Type              = reflect.TypeOf(uint64(0))
+    float32Type             = reflect.TypeOf(float32(0))
+    float64Type             = reflect.TypeOf(float64(0))
+    stringType              = reflect.TypeOf("")
+    bytesType               = reflect.TypeOf([]byte(nil))
+    jsonNumberType          = reflect.TypeOf(json.Number(""))
+    base64CorruptInputError = reflect.TypeOf(base64.CorruptInputError(0))
+)
+
+var (
+    errorType                   = reflect.TypeOf((*error)(nil)).Elem()
+    jsonUnmarshalerType         = reflect.TypeOf((*json.Unmarshaler)(nil)).Elem()
+    encodingTextUnmarshalerType = reflect.TypeOf((*encoding.TextUnmarshaler)(nil)).Elem()
+)
+
+func rtype(t reflect.Type) (*rt.GoItab, *rt.GoType) {
+    p := (*rt.GoIface)(unsafe.Pointer(&t))
+    return p.Itab, (*rt.GoType)(p.Value)
+}

vendor/github.com/bytedance/sonic/internal/decoder/jitdec/utils.go

@@ -0,0 +1,39 @@
+/*
+ * 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 jitdec
+
+import (
+    `unsafe`
+
+    `github.com/bytedance/sonic/loader`
+)
+
+//go:nosplit
+func pbool(v bool) uintptr {
+    return freezeValue(unsafe.Pointer(&v))
+}
+
+//go:nosplit
+func ptodec(p loader.Function) _Decoder {
+    return *(*_Decoder)(unsafe.Pointer(&p))
+}
+
+func assert_eq(v int64, exp int64, msg string) {
+    if v != exp {
+        panic(msg)
+    }
+}