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authorgVisor bot <gvisor-bot@google.com>2020-04-17 18:21:08 +0000
committergVisor bot <gvisor-bot@google.com>2020-04-17 18:21:08 +0000
commit0f9e6d074af4099c048ec9b31035cbc6cc30474d (patch)
tree2754312a82d8cf170efd9757965033e8c6bd5eee /pkg/sentry/mm/metadata.go
parent0665b0af8fb412f3194d6faaa11a1721b0133b8e (diff)
parent80deebb0bfde2a53c943deb8d8473239bb6de3eb (diff)
Merge release-20200323.0-179-g80deebb (automated)
Diffstat (limited to 'pkg/sentry/mm/metadata.go')
-rw-r--r--pkg/sentry/mm/metadata.go14
1 files changed, 14 insertions, 0 deletions
diff --git a/pkg/sentry/mm/metadata.go b/pkg/sentry/mm/metadata.go
index 6a49334f4..28e5057f7 100644
--- a/pkg/sentry/mm/metadata.go
+++ b/pkg/sentry/mm/metadata.go
@@ -167,3 +167,17 @@ func (mm *MemoryManager) SetExecutable(file fsbridge.File) {
orig.DecRef()
}
}
+
+// VDSOSigReturn returns the address of vdso_sigreturn.
+func (mm *MemoryManager) VDSOSigReturn() uint64 {
+ mm.metadataMu.Lock()
+ defer mm.metadataMu.Unlock()
+ return mm.vdsoSigReturnAddr
+}
+
+// SetVDSOSigReturn sets the address of vdso_sigreturn.
+func (mm *MemoryManager) SetVDSOSigReturn(addr uint64) {
+ mm.metadataMu.Lock()
+ defer mm.metadataMu.Unlock()
+ mm.vdsoSigReturnAddr = addr
+}