mirror of
https://github.com/netbirdio/gvisor.git
synced 2026-05-22 17:12:49 -07:00
Jamie LiuandgVisor bot
b4de26d6b1
reflect.ValueOf takes an interface{}, so when passed a slice the compiler emits
a call to runtime.convTslice to heap-allocate a copy of the slice header.
PiperOrigin-RevId: 394310052
42 lines
1.3 KiB
Go
42 lines
1.3 KiB
Go
// Copyright 2021 The gVisor 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 fpu provides basic floating point helpers.
|
|
package fpu
|
|
|
|
import (
|
|
"fmt"
|
|
)
|
|
|
|
// State represents floating point state.
|
|
//
|
|
// This is a simple byte slice, but may have architecture-specific methods
|
|
// attached to it.
|
|
type State []byte
|
|
|
|
// ErrLoadingState indicates a failed restore due to unusable floating point
|
|
// state.
|
|
type ErrLoadingState struct {
|
|
// supported is the supported floating point state.
|
|
supportedFeatures uint64
|
|
|
|
// saved is the saved floating point state.
|
|
savedFeatures uint64
|
|
}
|
|
|
|
// Error returns a sensible description of the restore error.
|
|
func (e ErrLoadingState) Error() string {
|
|
return fmt.Sprintf("floating point state contains unsupported features; supported: %#x saved: %#x", e.supportedFeatures, e.savedFeatures)
|
|
}
|