summaryrefslogtreecommitdiffhomepage
diff options
context:
space:
mode:
-rw-r--r--pkg/sentry/arch/BUILD1
-rw-r--r--pkg/sentry/arch/arch_state_x86.go4
-rw-r--r--pkg/sentry/arch/arch_x86.go15
-rw-r--r--pkg/sentry/arch/arch_x86_impl.go43
-rw-r--r--tools/build/tags.bzl24
5 files changed, 58 insertions, 29 deletions
diff --git a/pkg/sentry/arch/BUILD b/pkg/sentry/arch/BUILD
index 34c0a867d..e27f21e5e 100644
--- a/pkg/sentry/arch/BUILD
+++ b/pkg/sentry/arch/BUILD
@@ -14,6 +14,7 @@ go_library(
"arch_state_aarch64.go",
"arch_state_x86.go",
"arch_x86.go",
+ "arch_x86_impl.go",
"auxv.go",
"signal.go",
"signal_act.go",
diff --git a/pkg/sentry/arch/arch_state_x86.go b/pkg/sentry/arch/arch_state_x86.go
index d388ee9cf..e35c9214a 100644
--- a/pkg/sentry/arch/arch_state_x86.go
+++ b/pkg/sentry/arch/arch_state_x86.go
@@ -43,8 +43,8 @@ func (e ErrFloatingPoint) Error() string {
// and SSE state, so this is the equivalent XSTATE_BV value.
const fxsaveBV uint64 = cpuid.XSAVEFeatureX87 | cpuid.XSAVEFeatureSSE
-// afterLoad is invoked by stateify.
-func (s *State) afterLoad() {
+// afterLoadFPState is invoked by afterLoad.
+func (s *State) afterLoadFPState() {
old := s.x86FPState
// Recreate the slice. This is done to ensure that it is aligned
diff --git a/pkg/sentry/arch/arch_x86.go b/pkg/sentry/arch/arch_x86.go
index 3db8bd34b..88b40a9d1 100644
--- a/pkg/sentry/arch/arch_x86.go
+++ b/pkg/sentry/arch/arch_x86.go
@@ -155,21 +155,6 @@ func NewFloatingPointData() *FloatingPointData {
return (*FloatingPointData)(&(newX86FPState()[0]))
}
-// State contains the common architecture bits for X86 (the build tag of this
-// file ensures it's only built on x86).
-//
-// +stateify savable
-type State struct {
- // The system registers.
- Regs syscall.PtraceRegs `state:".(syscallPtraceRegs)"`
-
- // Our floating point state.
- x86FPState `state:"wait"`
-
- // FeatureSet is a pointer to the currently active feature set.
- FeatureSet *cpuid.FeatureSet
-}
-
// Proto returns a protobuf representation of the system registers in State.
func (s State) Proto() *rpb.Registers {
regs := &rpb.AMD64Registers{
diff --git a/pkg/sentry/arch/arch_x86_impl.go b/pkg/sentry/arch/arch_x86_impl.go
new file mode 100644
index 000000000..04ac283c6
--- /dev/null
+++ b/pkg/sentry/arch/arch_x86_impl.go
@@ -0,0 +1,43 @@
+// Copyright 2020 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.
+
+// +build amd64 i386
+
+package arch
+
+import (
+ "syscall"
+
+ "gvisor.dev/gvisor/pkg/cpuid"
+)
+
+// State contains the common architecture bits for X86 (the build tag of this
+// file ensures it's only built on x86).
+//
+// +stateify savable
+type State struct {
+ // The system registers.
+ Regs syscall.PtraceRegs `state:".(syscallPtraceRegs)"`
+
+ // Our floating point state.
+ x86FPState `state:"wait"`
+
+ // FeatureSet is a pointer to the currently active feature set.
+ FeatureSet *cpuid.FeatureSet
+}
+
+// afterLoad is invoked by stateify.
+func (s *State) afterLoad() {
+ s.afterLoadFPState()
+}
diff --git a/tools/build/tags.bzl b/tools/build/tags.bzl
index a6db44e47..558fb53ae 100644
--- a/tools/build/tags.bzl
+++ b/tools/build/tags.bzl
@@ -3,22 +3,28 @@
go_suffixes = [
"_386",
"_386_unsafe",
- "_amd64",
- "_amd64_unsafe",
"_aarch64",
"_aarch64_unsafe",
+ "_amd64",
+ "_amd64_unsafe",
"_arm",
- "_arm_unsafe",
"_arm64",
"_arm64_unsafe",
+ "_arm_unsafe",
+ "_impl",
+ "_impl_unsafe",
+ "_linux",
+ "_linux_unsafe",
"_mips",
- "_mips_unsafe",
- "_mipsle",
- "_mipsle_unsafe",
"_mips64",
"_mips64_unsafe",
"_mips64le",
"_mips64le_unsafe",
+ "_mips_unsafe",
+ "_mipsle",
+ "_mipsle_unsafe",
+ "_opts",
+ "_opts_unsafe",
"_ppc64",
"_ppc64_unsafe",
"_ppc64le",
@@ -31,10 +37,4 @@ go_suffixes = [
"_sparc64_unsafe",
"_wasm",
"_wasm_unsafe",
- "_linux",
- "_linux_unsafe",
- "_opts",
- "_opts_unsafe",
- "_impl",
- "_impl_unsafe",
]