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Diffstat (limited to 'src/runtime/time_windows.h')
| -rw-r--r-- | src/runtime/time_windows.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/runtime/time_windows.h b/src/runtime/time_windows.h new file mode 100644 index 0000000..7c2e65c --- /dev/null +++ b/src/runtime/time_windows.h @@ -0,0 +1,17 @@ +// Copyright 2021 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. + +// Constants for fetching time values on Windows for use in asm code. + +// See https://wrkhpi.wordpress.com/2007/08/09/getting-os-information-the-kuser_shared_data-structure/ +// Archived copy at: +// http://web.archive.org/web/20210411000829/https://wrkhpi.wordpress.com/2007/08/09/getting-os-information-the-kuser_shared_data-structure/ + +// Must read hi1, then lo, then hi2. The snapshot is valid if hi1 == hi2. +// Or, on 64-bit, just read lo:hi1 all at once atomically. +#define _INTERRUPT_TIME 0x7ffe0008 +#define _SYSTEM_TIME 0x7ffe0014 +#define time_lo 0 +#define time_hi1 4 +#define time_hi2 8 |