runtime.go

Documentation: github.com/bytedance/sonic/internal/jit

     1  /*
     2   * Copyright 2021 ByteDance Inc.
     3   *
     4   * Licensed under the Apache License, Version 2.0 (the "License");
     5   * you may not use this file except in compliance with the License.
     6   * You may obtain a copy of the License at
     7   *
     8   *     http://www.apache.org/licenses/LICENSE-2.0
     9   *
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS,
    12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13   * See the License for the specific language governing permissions and
    14   * limitations under the License.
    15   */
    16  
    17  package jit
    18  
    19  import (
    20      `reflect`
    21      `unsafe`
    22  
    23      `github.com/bytedance/sonic/internal/rt`
    24      `github.com/twitchyliquid64/golang-asm/obj`
    25  )
    26  
    27  func Func(f interface{}) obj.Addr {
    28      if p := rt.UnpackEface(f); p.Type.Kind() != reflect.Func {
    29          panic("f is not a function")
    30      } else {
    31          return Imm(*(*int64)(p.Value))
    32      }
    33  }
    34  
    35  func Type(t reflect.Type) obj.Addr {
    36      return Gtype(rt.UnpackType(t))
    37  }
    38  
    39  func Itab(i *rt.GoType, t reflect.Type) obj.Addr {
    40      return Imm(int64(uintptr(unsafe.Pointer(rt.Getitab(rt.IfaceType(i), rt.UnpackType(t), false)))))
    41  }
    42  
    43  func Gitab(i *rt.GoItab) obj.Addr {
    44      return Imm(int64(uintptr(unsafe.Pointer(i))))
    45  }
    46  
    47  func Gtype(t *rt.GoType) obj.Addr {
    48      return Imm(int64(uintptr(unsafe.Pointer(t))))
    49  }
    50
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