}
		}
	}

	s.stksize = types.RoundUp(s.stksize, s.stkalign)
	s.stkptrsize = types.RoundUp(s.stkptrsize, s.stkalign)
}

const maxStackSize = 1 << 30

// Compile builds an SSA backend function,
// uses it to generate a plist,
// and flushes that plist to machine code.

	stkptrsize int64                // prefix of stack containing pointers

	// alignment for current frame.
	// NOTE: when stkalign > PtrSize, currently this only ensures the offsets of
	// objects in the stack frame are aligned. The stack pointer is still aligned
	// only PtrSize.
	stkalign int64

	log bool // print ssa debug to the stdout
}

// StringData returns a symbol which

		// subsystem.
		if SizeofPtr == 8 {
			salign = 4
		}
	case "netbsd", "openbsd":
		// NetBSD and OpenBSD armv7 require 64-bit alignment.
		if runtime.GOARCH == "arm" {
			salign = 8
		}
		// NetBSD aarch64 requires 128-bit alignment.
		if runtime.GOOS == "netbsd" && runtime.GOARCH == "arm64" {
			salign = 16
		}
	case "zos":
		// z/OS socket macros use [32-bit] sizeof(int) alignment,

		// subsystem.
		if sizeofPtr == 8 {
			salign = 4
		}
	case "netbsd", "openbsd":
		// NetBSD and OpenBSD armv7 require 64-bit alignment.
		if runtime.GOARCH == "arm" {
			salign = 8
		}
		// NetBSD aarch64 requires 128-bit alignment.
		if runtime.GOOS == "netbsd" && runtime.GOARCH == "arm64" {
			salign = 16
		}
	}

	return (salen + salign - 1) & ^(salign - 1)

// Round the length of a raw sockaddr up to align it properly.
func cmsgAlignOf(salen int) int {
	salign := SizeofPtr
	if SizeofPtr == 8 && !supportsABI(_dragonflyABIChangeVersion) {
		// 64-bit Dragonfly before the September 2019 ABI changes still requires
		// 32-bit aligned access to network subsystem.
		salign = 4
	}
	return (salen + salign - 1) & ^(salign - 1)

// Round the length of a raw sockaddr up to align it properly.
func cmsgAlignOf(salen int) int {
	salign := sizeofPtr
	if sizeofPtr == 8 && !supportsABI(_dragonflyABIChangeVersion) {
		// 64-bit Dragonfly before the September 2019 ABI changes still requires
		// 32-bit aligned access to network subsystem.
		salign = 4
	}
	return (salen + salign - 1) & ^(salign - 1)

// the compiler word, the link editor word, and the TOC save word.
const MinFrameSize = goarch.MinFrameSize

// StackAlign is the required alignment of the SP register.
// The stack must be at least word aligned, but some architectures require more.

		// architecture because the alignment for routing
		// facilities are set at the build time of the kernel.
		if freebsdConfArch == "amd64" {
			salign = 8
		}
	}
	if salen == 0 {
		return salign
	}
	return (salen + salign - 1) & ^(salign - 1)
}

// parseSockaddrLink parses b as a datalink socket address.
func parseSockaddrLink(b []byte) (*SockaddrDatalink, error) {
	if len(b) < 8 {

// the compiler word, the link editor word, and the TOC save word.
const MinFrameSize = _MinFrameSize

// StackAlign is the required alignment of the SP register.
// The stack must be at least word aligned, but some architectures require more.

// Copyright 2023 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.

// Tests syscall P stealing.

package main

import (
	"internal/trace"
	"internal/trace/event/go122"
	testgen "internal/trace/internal/testgen/go122"
)

func main() {
	testgen.Main(gen)
}

func gen(t *testgen.Trace) {
	g := t.Generation(1)