runtime: export getm function
Use go:linkname to export the getm function. This makes it visible to
runtime/testdata/testprogcgo/dropm_stub.go, which uses it as part of
the TestEnsureDropM test in runtime/crash_cgo_test.go. That test is
not run today, but it will be soon.
Change-Id: Ib2eb427bf490f56ceee3eec3a91e5af569ec09cf
Reviewed-on: https://go-review.googlesource.com/46462
Reviewed-by: Than McIntosh <thanm@google.com>
diff --git a/libgo/go/runtime/proc.go b/libgo/go/runtime/proc.go
index cb1e974..bdf7144 100644
--- a/libgo/go/runtime/proc.go
+++ b/libgo/go/runtime/proc.go
@@ -37,6 +37,9 @@
//go:linkname globrunqput runtime.globrunqput
//go:linkname pidleget runtime.pidleget
+// Exported for test (see runtime/testdata/testprogcgo/dropm_stub.go).
+//go:linkname getm runtime.getm
+
// Function called by misc/cgo/test.
//go:linkname lockedOSThread runtime.lockedOSThread
