// stubs and reserve a PLT slot.
	//
	// 1) The call site is a "bl x" where genpltstub rewrites it to
	//    "bl x_stub". Depending on the properties of the caller
	//    (see ELFv2 1.5 4.2.5.3), a nop may be expected immediately
	//    after the bl. This nop is rewritten to ld r2,24(r1) to
	//    restore the toc pointer saved by x_stub.
	//
	// 2) We reserve space for a pointer in the .plt section (once

	POPCNTW R3, R4                  // 7c6402f4
	POPCNTD R3, R4                  // 7c6403f4

	PASTECC R3, R4                  // 7c23270d
	COPY R3, R4                     // 7c23260c

	// load-and-reserve
	LBAR (R4)(R3*1),$1,R5           // 7ca32069
	LBAR (R4)(R0),$1,R5             // 7ca02069
	LBAR (R4),$0,R5                 // 7ca02068
	LBAR (R3),R5                    // 7ca01868

	Osntdata    int16    // Section Number For Tdata Section
	Osntbss     int16    // Section Number For Tbss Section
	Ox64flags   uint16   // Additional Flags For 64-Bit Objects
	Oresv3a     int16    // Reserved
	Oresv3      [2]int32 // Reserved
}

// Section Header
type XcoffScnHdr64 struct {
	Sname    [8]byte // Section Name
	Spaddr   uint64  // Physical Address
	Svaddr   uint64  // Virtual Address

 * $FreeBSD: src/sys/sparc64/include/elf.h,v 1.12 2003/09/25 01:10:26 peter Exp $
 *
 * Copyright (c) 1996-1998 John D. Polstra.  All rights reserved.
 * Copyright (c) 2001 David E. O'Brien
 * Portions Copyright 2009 The Go Authors. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:

		a := &auxs[j]
		switch a.Type() {
		case goobj.AuxPcsp:
			pcsp = l.resolve(r, a.Sym())
		case goobj.AuxPcline:
			pcline = l.resolve(r, a.Sym())
		case goobj.AuxPcfile:
			pcfile = l.resolve(r, a.Sym())
		case goobj.AuxPcinline:
			pcinline = l.resolve(r, a.Sym())
		case goobj.AuxPcdata:
			pcdata = append(pcdata, l.resolve(r, a.Sym()))
		}
	}
	return
}

//sys	MoveFileEx(from *uint16, to *uint16, flags uint32) (err error) = MoveFileExW
//sys	LockFileEx(file Handle, flags uint32, reserved uint32, bytesLow uint32, bytesHigh uint32, overlapped *Overlapped) (err error)
//sys	UnlockFileEx(file Handle, reserved uint32, bytesLow uint32, bytesHigh uint32, overlapped *Overlapped) (err error)
//sys	GetComputerName(buf *uint16, n *uint32) (err error) = GetComputerNameW

// Copyright 2018 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 modload

import (
	"context"
	"errors"
	"fmt"
	"maps"
	"os"
	"runtime"
	"runtime/debug"
	"slices"
	"strings"
	"sync"
	"sync/atomic"

	"cmd/go/internal/base"
	"cmd/go/internal/cfg"
	"cmd/go/internal/gover"
	"cmd/go/internal/mvs"

	// ETXTBSY errors on Unix platforms (see https://go.dev/issue/22315).
	//
	// Since we know what causes those, and we know that they should resolve
	// quickly (the ETXTBSY error will resolve as soon as the subprocess
	// holding the descriptor open reaches its 'exec' call), we retry them
	// in a loop.

	var (
		cmd            *exec.Cmd
		t0             time.Time

// Copyright 2018 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 modload

import (
	"bytes"
	"context"
	"encoding/json"
	"errors"
	"fmt"
	"internal/godebugs"
	"internal/lazyregexp"
	"io"
	"os"
	"path"
	"path/filepath"
	"slices"
	"strconv"
	"strings"
	"sync"

	"cmd/go/internal/base"
	"cmd/go/internal/cfg"

// so, which modules we could add to the module graph in order to make the
// missing packages available. We add those to the module graph and iterate,
// until either all packages resolve successfully or we cannot identify any
// module that would resolve any remaining missing package.
//
// If the main module is “tidy” (that is, if "go mod tidy" is a no-op for it)
// and all requested packages are in "all", then loading completes in a single