Adding upstream version 1.21.8.upstream/1.21.8

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

1 files changed, 46 insertions, 0 deletions

diff --git a/src/runtime/os_linux_mipsx.go b/src/runtime/os_linux_mipsx.go
new file mode 100644
index 0000000..cdf83ff
--- /dev/null
+++ b/src/runtime/os_linux_mipsx.go
@@ -0,0 +1,46 @@
+// Copyright 2016 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.
+
+//go:build linux && (mips || mipsle)
+
+package runtime
+
+func archauxv(tag, val uintptr) {
+}
+
+func osArchInit() {}
+
+//go:nosplit
+func cputicks() int64 {
+	// Currently cputicks() is used in blocking profiler and to seed fastrand().
+	// nanotime() is a poor approximation of CPU ticks that is enough for the profiler.
+	return nanotime()
+}
+
+const (
+	_SS_DISABLE  = 2
+	_NSIG        = 128 + 1
+	_SIG_BLOCK   = 1
+	_SIG_UNBLOCK = 2
+	_SIG_SETMASK = 3
+)
+
+type sigset [4]uint32
+
+var sigset_all = sigset{^uint32(0), ^uint32(0), ^uint32(0), ^uint32(0)}
+
+//go:nosplit
+//go:nowritebarrierrec
+func sigaddset(mask *sigset, i int) {
+	(*mask)[(i-1)/32] |= 1 << ((uint32(i) - 1) & 31)
+}
+
+func sigdelset(mask *sigset, i int) {
+	(*mask)[(i-1)/32] &^= 1 << ((uint32(i) - 1) & 31)
+}
+
+//go:nosplit
+func sigfillset(mask *[4]uint32) {
+	(*mask)[0], (*mask)[1], (*mask)[2], (*mask)[3] = ^uint32(0), ^uint32(0), ^uint32(0), ^uint32(0)
+}