Adding upstream version 1.21.8.upstream/1.21.8

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 26 insertions, 0 deletions

diff --git a/src/runtime/covercounter.go b/src/runtime/covercounter.go
new file mode 100644
index 0000000..72842bd
--- /dev/null
+++ b/src/runtime/covercounter.go
@@ -0,0 +1,26 @@
+// Copyright 2022 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package runtime
+
+import (
+	"internal/coverage/rtcov"
+	"unsafe"
+)
+
+//go:linkname runtime_coverage_getCovCounterList runtime/coverage.getCovCounterList
+func runtime_coverage_getCovCounterList() []rtcov.CovCounterBlob {
+	res := []rtcov.CovCounterBlob{}
+	u32sz := unsafe.Sizeof(uint32(0))
+	for datap := &firstmoduledata; datap != nil; datap = datap.next {
+		if datap.covctrs == datap.ecovctrs {
+			continue
+		}
+		res = append(res, rtcov.CovCounterBlob{
+			Counters: (*uint32)(unsafe.Pointer(datap.covctrs)),
+			Len:      uint64((datap.ecovctrs - datap.covctrs) / u32sz),
+		})
+	}
+	return res
+}