// 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 stack symbolization.

//go:build ignore

package main

import (
	"log"
	"net"
	"os"
	"runtime"
	"runtime/trace"
	"sync"
	"time"
)

func main() {
	if err := trace.Start(os.Stdout); err != nil {
		log.Fatalf("failed to start tracing: %v", err)

func populateSeh(ctxt *obj.Link, s *obj.LSym) (sehsym *obj.LSym) {
	if s.NoFrame() {
		return
	}

	// This implementation expects the following function prologue layout:
	// - Stack split code (optional)
	// - PUSHQ	BP
	// - MOVQ	SP,	BP
	//
	// If the prologue layout change, the unwind information should be updated
	// accordingly.

	// Search for the PUSHQ BP instruction inside the prologue.

		panic("sha3: Sum after Read")
	}

	// Make a copy of the original hash so that caller can keep writing
	// and summing.
	dup := d.clone()
	hash := make([]byte, dup.outputLen, 64) // explicit cap to allow stack allocation
	dup.Read(hash)
	return append(in, hash...)

	BuildID() string

	// SourceLine reports the source line information for a given
	// address in the file. Due to inlining, the source line information
	// is in general a list of positions representing a call stack,
	// with the leaf function first.
	SourceLine(addr uint64) ([]Frame, error)

	// Symbols returns a list of symbols in the object file.
	// If r is not nil, Symbols restricts the list to symbols