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authorAndrei Vagin <avagin@google.com>2020-12-15 16:49:39 -0800
committergVisor bot <gvisor-bot@google.com>2020-12-15 16:51:35 -0800
commit97406b20a1551ddc8d1884d11d81b958b829afae (patch)
tree061e93d8472adb1235df88dec2ce2c70ba2de6bf /pkg/sentry/arch
parent50c658a9f6df85998a08f51f680302366c2df240 (diff)
Internal change.
PiperOrigin-RevId: 347720083
Diffstat (limited to 'pkg/sentry/arch')
-rw-r--r--pkg/sentry/arch/arch.go15
-rw-r--r--pkg/sentry/arch/arch_state_x86.go17
2 files changed, 15 insertions, 17 deletions
diff --git a/pkg/sentry/arch/arch.go b/pkg/sentry/arch/arch.go
index d75d665ae..dd2effdf9 100644
--- a/pkg/sentry/arch/arch.go
+++ b/pkg/sentry/arch/arch.go
@@ -365,3 +365,18 @@ func (a SyscallArgument) SizeT() uint {
func (a SyscallArgument) ModeT() uint {
return uint(uint16(a.Value))
}
+
+// ErrFloatingPoint indicates a failed restore due to unusable floating point
+// state.
+type ErrFloatingPoint struct {
+ // supported is the supported floating point state.
+ supported uint64
+
+ // saved is the saved floating point state.
+ saved uint64
+}
+
+// Error returns a sensible description of the restore error.
+func (e ErrFloatingPoint) Error() string {
+ return fmt.Sprintf("floating point state contains unsupported features; supported: %#x saved: %#x", e.supported, e.saved)
+}
diff --git a/pkg/sentry/arch/arch_state_x86.go b/pkg/sentry/arch/arch_state_x86.go
index 19ce99d25..840e53d33 100644
--- a/pkg/sentry/arch/arch_state_x86.go
+++ b/pkg/sentry/arch/arch_state_x86.go
@@ -17,27 +17,10 @@
package arch
import (
- "fmt"
-
"gvisor.dev/gvisor/pkg/cpuid"
"gvisor.dev/gvisor/pkg/usermem"
)
-// ErrFloatingPoint indicates a failed restore due to unusable floating point
-// state.
-type ErrFloatingPoint struct {
- // supported is the supported floating point state.
- supported uint64
-
- // saved is the saved floating point state.
- saved uint64
-}
-
-// Error returns a sensible description of the restore error.
-func (e ErrFloatingPoint) Error() string {
- return fmt.Sprintf("floating point state contains unsupported features; supported: %#x saved: %#x", e.supported, e.saved)
-}
-
// XSTATE_BV does not exist if FXSAVE is used, but FXSAVE implicitly saves x87
// and SSE state, so this is the equivalent XSTATE_BV value.
const fxsaveBV uint64 = cpuid.XSAVEFeatureX87 | cpuid.XSAVEFeatureSSE