summaryrefslogtreecommitdiffhomepage
path: root/pkg/sentry/arch/signal_arm64.go
diff options
context:
space:
mode:
authorAndrei Vagin <avagin@google.com>2021-03-23 18:44:38 -0700
committergVisor bot <gvisor-bot@google.com>2021-03-23 18:46:37 -0700
commit56a9a13976ad800a8a34b194d35f0169d0a0bb23 (patch)
treecb4b7c4352dc90a8c4c4f469c788fd2c5c6fd0dd /pkg/sentry/arch/signal_arm64.go
parent960155cdaad49ccea07e45152f124beeb7e7fdcc (diff)
Move the code that manages floating-point state to a separate package
This change is inspired by Adin's cl/355256448. PiperOrigin-RevId: 364695931
Diffstat (limited to 'pkg/sentry/arch/signal_arm64.go')
-rw-r--r--pkg/sentry/arch/signal_arm64.go7
1 files changed, 4 insertions, 3 deletions
diff --git a/pkg/sentry/arch/signal_arm64.go b/pkg/sentry/arch/signal_arm64.go
index 4491008c2..53281dcba 100644
--- a/pkg/sentry/arch/signal_arm64.go
+++ b/pkg/sentry/arch/signal_arm64.go
@@ -20,6 +20,7 @@ import (
"golang.org/x/sys/unix"
"gvisor.dev/gvisor/pkg/abi/linux"
"gvisor.dev/gvisor/pkg/log"
+ "gvisor.dev/gvisor/pkg/sentry/arch/fpu"
"gvisor.dev/gvisor/pkg/usermem"
)
@@ -139,9 +140,9 @@ func (c *context64) SignalSetup(st *Stack, act *SignalAct, info *SignalInfo, alt
c.Regs.Regs[30] = uint64(act.Restorer)
// Save the thread's floating point state.
- c.sigFPState = append(c.sigFPState, c.aarch64FPState)
+ c.sigFPState = append(c.sigFPState, c.fpState)
// Signal handler gets a clean floating point state.
- c.aarch64FPState = newAarch64FPState()
+ c.fpState = fpu.NewState()
return nil
}
@@ -166,7 +167,7 @@ func (c *context64) SignalRestore(st *Stack, rt bool) (linux.SignalSet, SignalSt
// Restore floating point state.
l := len(c.sigFPState)
if l > 0 {
- c.aarch64FPState = c.sigFPState[l-1]
+ c.fpState = c.sigFPState[l-1]
// NOTE(cl/133042258): State save requires that any slice
// elements from '[len:cap]' to be zero value.
c.sigFPState[l-1] = nil