import (
	"bufio"
	"debug/elf"
	"encoding/binary"
	"fmt"
	"io"
)

const (
	maxNoteSize        = 1 << 20 // in bytes
	noteTypeGNUBuildID = 3
)

// elfNote is the payload of a Note Section in an ELF file.
type elfNote struct {
	Name string // Contents of the "name" field, omitting the trailing zero byte.
	Desc []byte // Contents of the "desc" field.
	Type uint32 // Contents of the "type" field.
}

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

// Package relnote supports working with release notes.
//
// Its main feature is the ability to merge Markdown fragments into a single
// document. (See [Merge].)
//
// This package has minimal imports, so that it can be vendored into the
// main go repo.
package relnote

import (
	"bufio"
	"bytes"
	"errors"
	"fmt"
	"io"
	"io/fs"
	"path"

}

const PreemptMSupported = preemptMSupported

type LFNode struct {
	Next    uint64
	Pushcnt uintptr
}

func LFStackPush(head *uint64, node *LFNode) {
	(*lfstack)(head).push((*lfnode)(unsafe.Pointer(node)))
}

func LFStackPop(head *uint64) *LFNode {
	return (*LFNode)((*lfstack)(head).pop())
}
func LFNodeValidate(node *LFNode) {
	lfnodeValidate((*lfnode)(unsafe.Pointer(node)))
}

func Netpoll(delta int64) {

	name      string
	file      string
	line      int32
	startLine int32
}

type itab = abi.ITab

// Lock-free stack node.
// Also known to export_test.go.
type lfnode struct {
	next    uint64
	pushcnt uintptr
}

type forcegcstate struct {
	lock mutex
	g    *g
	idle atomic.Bool
}

// A _defer holds an entry on the list of deferred calls.