1 files changed, 51 insertions, 0 deletions
diff --git a/src/runtime/align_runtime_test.go b/src/runtime/align_runtime_test.go
new file mode 100644
index 0000000..d78b0b2
--- /dev/null
+++ b/src/runtime/align_runtime_test.go
@@ -0,0 +1,51 @@
+// 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.
+
+// This file lives in the runtime package
+// so we can get access to the runtime guts.
+// The rest of the implementation of this test is in align_test.go.
+
+package runtime
+
+import "unsafe"
+
+// AtomicFields is the set of fields on which we perform 64-bit atomic
+// operations (all the *64 operations in runtime/internal/atomic).
+var AtomicFields = []uintptr{
+	unsafe.Offsetof(m{}.procid),
+	unsafe.Offsetof(p{}.gcFractionalMarkTime),
+	unsafe.Offsetof(profBuf{}.overflow),
+	unsafe.Offsetof(profBuf{}.overflowTime),
+	unsafe.Offsetof(heapStatsDelta{}.tinyAllocCount),
+	unsafe.Offsetof(heapStatsDelta{}.smallAllocCount),
+	unsafe.Offsetof(heapStatsDelta{}.smallFreeCount),
+	unsafe.Offsetof(heapStatsDelta{}.largeAlloc),
+	unsafe.Offsetof(heapStatsDelta{}.largeAllocCount),
+	unsafe.Offsetof(heapStatsDelta{}.largeFree),
+	unsafe.Offsetof(heapStatsDelta{}.largeFreeCount),
+	unsafe.Offsetof(heapStatsDelta{}.committed),
+	unsafe.Offsetof(heapStatsDelta{}.released),
+	unsafe.Offsetof(heapStatsDelta{}.inHeap),
+	unsafe.Offsetof(heapStatsDelta{}.inStacks),
+	unsafe.Offsetof(heapStatsDelta{}.inPtrScalarBits),
+	unsafe.Offsetof(heapStatsDelta{}.inWorkBufs),
+	unsafe.Offsetof(lfnode{}.next),
+	unsafe.Offsetof(mstats{}.last_gc_nanotime),
+	unsafe.Offsetof(mstats{}.last_gc_unix),
+	unsafe.Offsetof(workType{}.bytesMarked),
+}
+
+// AtomicVariables is the set of global variables on which we perform
+// 64-bit atomic operations.
+var AtomicVariables = []unsafe.Pointer{
+	unsafe.Pointer(&ncgocall),
+	unsafe.Pointer(&test_z64),
+	unsafe.Pointer(&blockprofilerate),
+	unsafe.Pointer(&mutexprofilerate),
+	unsafe.Pointer(&gcController),
+	unsafe.Pointer(&memstats),
+	unsafe.Pointer(&sched),
+	unsafe.Pointer(&ticks),
+	unsafe.Pointer(&work),
+}