// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Linkname fastrand is allowed _for now_, as it has a
// linknamed definition, for legacy reason.
// NOTE: this may not be allowed in the future. Don't do this!

package main

import _ "unsafe"

//go:linkname fastrand runtime.fastrand
func fastrand() uint32

func main() {
	println(fastrand())

// license that can be found in the LICENSE file.

//go:build gc

#include "textflag.h"

//
// System calls for 386, Linux
//

// See ../runtime/sys_linux_386.s for the reason why we always use int 0x80
// instead of the glibc-specific "CALL 0x10(GS)".
#define INVOKE_SYSCALL	INT	$0x80

// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.

// parameters.
//
// IMPORTANT: function properties are produced on a "best effort"
// basis, meaning that the code that computes them doesn't verify that
// the properties are guaranteed to be true in 100% of cases. For this
// reason, properties should only be used to drive always-safe
// optimization decisions (e.g. "should I inline this call", or
// "should I unroll this loop") as opposed to potentially unsafe IR

//	Revisions Copyright © 2000-2007 Lucent Technologies Inc. and others
//	Portions Copyright © 2009 The Go Authors. All rights reserved.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights

	if from == to {
		// Filter out no-op events.
		return
	}
	if from.Executing() && !to.Executing() {
		if to == trace.GoWaiting {
			// Goroutine started blocking.
			gs.block(ev.Time(), ev.Stack(), st.Reason, ctx)
		} else {
			gs.stop(ev.Time(), ev.Stack(), ctx)
		}
	}
	if !from.Executing() && to.Executing() {
		start := ev.Time()
		if from == trace.GoUndetermined {

	// saving a copy of the hash state now, and restoring it on future
	// calls to Reset and Sum instead of writing ipad/opad every time.
	//
	// If either hash is unmarshalable for whatever reason,
	// it's safe to bail out here.
	marshalableInner, innerOK := h.inner.(marshalable)
	if !innerOK {
		return
	}
	marshalableOuter, outerOK := h.outer.(marshalable)
	if !outerOK {
		return
	}

//	Revisions Copyright © 2000-2007 Lucent Technologies Inc. and others
//	Portions Copyright © 2009 The Go Authors. All rights reserved.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights

//	Revisions Copyright © 2000-2007 Lucent Technologies Inc. and others
//	Portions Copyright © 2009 The Go Authors. All rights reserved.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights

//	Revisions Copyright © 2000-2008 Lucent Technologies Inc. and others
//	Portions Copyright © 2009 The Go Authors. All rights reserved.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights

	if from == to {
		// Filter out no-op events.
		return
	}
	if from.Executing() && !to.Executing() {
		if to == trace.GoWaiting {
			// Goroutine started blocking.
			gs.block(ev.Time(), ev.Stack(), st.Reason, ctx)
		} else {
			gs.stop(ev.Time(), ev.Stack(), ctx)
		}
	}
	if !from.Executing() && to.Executing() {
		start := ev.Time()
		if from == trace.GoUndetermined {