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Diffstat (limited to 'pkg/sentry/arch/arch_arm64.go')
-rw-r--r--pkg/sentry/arch/arch_arm64.go13
1 files changed, 7 insertions, 6 deletions
diff --git a/pkg/sentry/arch/arch_arm64.go b/pkg/sentry/arch/arch_arm64.go
index 885115ae2..db99c5acb 100644
--- a/pkg/sentry/arch/arch_arm64.go
+++ b/pkg/sentry/arch/arch_arm64.go
@@ -140,16 +140,17 @@ func (c *context64) SetStack(value uintptr) {
// TLS returns the current TLS pointer.
func (c *context64) TLS() uintptr {
- // TODO(gvisor.dev/issue/1238): TLS is not supported.
- // MRS_TPIDR_EL0
- return 0
+ return uintptr(c.TPValue)
}
// SetTLS sets the current TLS pointer. Returns false if value is invalid.
func (c *context64) SetTLS(value uintptr) bool {
- // TODO(gvisor.dev/issue/1238): TLS is not supported.
- // MSR_TPIDR_EL0
- return false
+ if value >= uintptr(maxAddr64) {
+ return false
+ }
+
+ c.TPValue = uint64(value)
+ return true
}
// SetOldRSeqInterruptedIP implements Context.SetOldRSeqInterruptedIP.