github.com/cloudwego/frugal@v0.1.15/internal/atm/abi/abi.go (about)

     1  /*
     2   * Copyright 2022 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 abi
    18  
    19  import (
    20      `unsafe`
    21  
    22      `github.com/cloudwego/frugal/internal/rt`
    23  )
    24  
    25  type AbstractABI interface {
    26      RegisterMethod(id int, mt rt.Method) int
    27      RegisterFunction(id int, fn interface{}) unsafe.Pointer
    28  }
    29  
    30  var (
    31      ABI = ArchCreateABI()
    32  )
    33  
    34  const (
    35      PtrSize  = 8    // pointer size
    36  )
    37  
    38  func alignUp(n uintptr, a int) uintptr {
    39      return (n + uintptr(a) - 1) &^ (uintptr(a) - 1)
    40  }