Plan 9 from Bell Labs’s /usr/web/sources/contrib/stallion/root/arm/go/src/runtime/os_netbsd_386.go

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Distributed under the MIT License.
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// Copyright 2009 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_EIP] = uint32(funcPC(lwp_tramp))
	mc.__gregs[_REG_UESP] = uint32(uintptr(stk))
	mc.__gregs[_REG_EBX] = uint32(uintptr(unsafe.Pointer(mp)))
	mc.__gregs[_REG_EDX] = uint32(uintptr(unsafe.Pointer(gp)))
	mc.__gregs[_REG_ESI] = uint32(fn)
}

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