gvisor.dev/gvisor@v0.0.0-20240520182842-f9d4d51c7e0f/pkg/sentry/arch/arch_x86_impl.go (about)

     1  // Copyright 2020 The gVisor Authors.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  //go:build (amd64 || 386) && !false
    16  // +build amd64 386
    17  // +build !false
    18  
    19  package arch
    20  
    21  import (
    22  	"context"
    23  
    24  	"gvisor.dev/gvisor/pkg/sentry/arch/fpu"
    25  )
    26  
    27  // State contains the common architecture bits for X86 (the build tag of this
    28  // file ensures it's only built on x86).
    29  //
    30  // +stateify savable
    31  type State struct {
    32  	// The system registers.
    33  	Regs Registers
    34  
    35  	// Our floating point state.
    36  	fpState fpu.State `state:"wait"`
    37  }
    38  
    39  // afterLoad is invoked by stateify.
    40  func (s *State) afterLoad(context.Context) {
    41  	s.afterLoadFPState()
    42  }