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Diffstat (limited to 'src/runtime/os_netbsd_arm64.go')
-rw-r--r-- | src/runtime/os_netbsd_arm64.go | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/runtime/os_netbsd_arm64.go b/src/runtime/os_netbsd_arm64.go new file mode 100644 index 0000000..8d21b0a --- /dev/null +++ b/src/runtime/os_netbsd_arm64.go @@ -0,0 +1,23 @@ +// Copyright 2019 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 "unsafe" + +func lwp_mcontext_init(mc *mcontextt, stk unsafe.Pointer, mp *m, gp *g, fn uintptr) { + // Machine dependent mcontext initialisation for LWP. + mc.__gregs[_REG_ELR] = uint64(funcPC(lwp_tramp)) + mc.__gregs[_REG_X31] = uint64(uintptr(stk)) + mc.__gregs[_REG_X0] = uint64(uintptr(unsafe.Pointer(mp))) + mc.__gregs[_REG_X1] = uint64(uintptr(unsafe.Pointer(mp.g0))) + mc.__gregs[_REG_X2] = uint64(fn) +} + +//go:nosplit +func cputicks() int64 { + // Currently cputicks() is used in blocking profiler and to seed runtime·fastrand(). + // runtime·nanotime() is a poor approximation of CPU ticks that is enough for the profiler. + return nanotime() +} |