func Contains(b, subslice []byte) bool {
	return Index(b, subslice) != -1
}

// ContainsAny reports whether any of the UTF-8-encoded code points in chars are within b.
func ContainsAny(b []byte, chars string) bool {
	return IndexAny(b, chars) >= 0
}

// ContainsRune reports whether the rune is contained in the UTF-8-encoded byte slice b.
func ContainsRune(b []byte, r rune) bool {
	return IndexRune(b, r) >= 0
}

pkg reflect, type Type interface, CanSeq() bool #66056
pkg reflect, type Type interface, CanSeq2() bool #66056
pkg reflect, type Type interface, OverflowComplex(complex128) bool #60427
pkg reflect, type Type interface, OverflowFloat(float64) bool #60427
pkg reflect, type Type interface, OverflowInt(int64) bool #60427
pkg reflect, type Type interface, OverflowUint(uint64) bool #60427

pkg net/http, method (*ResponseController) EnableFullDuplex() error #57786
pkg net/http, var ErrSchemeMismatch error #44855
pkg net, method (*Dialer) MultipathTCP() bool #56539
pkg net, method (*Dialer) SetMultipathTCP(bool) #56539
pkg net, method (*ListenConfig) MultipathTCP() bool #56539
pkg net, method (*ListenConfig) SetMultipathTCP(bool) #56539
pkg net, method (*TCPConn) MultipathTCP() (bool, error) #59166

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

// Addr2line is a minimal simulation of the GNU addr2line tool,
// just enough to support pprof.
//
// Usage:
//
//	go tool addr2line binary
//
// Addr2line reads hexadecimal addresses, one per line and with optional 0x prefix,
// from standard input. For each input address, addr2line prints two output lines,

pkg debug/elf, type R_390 int
pkg encoding/json, method (*Encoder) SetEscapeHTML(bool)
pkg encoding/json, method (*Encoder) SetIndent(string, string)
pkg go/build, type Package struct, BinaryOnly bool
pkg go/build, type Package struct, CgoFFLAGS []string
pkg go/build, type Package struct, FFiles []string
pkg go/doc, type Example struct, Unordered bool
pkg io, const SeekCurrent = 1
pkg io, const SeekCurrent ideal-int

pkg runtime, func MutexProfile([]BlockProfileRecord) (int, bool)
pkg runtime, func SetMutexProfileFraction(int) int
pkg runtime, type MemStats struct, NumForcedGC uint32
pkg sort, func Slice(interface{}, func(int, int) bool)
pkg sort, func SliceIsSorted(interface{}, func(int, int) bool) bool
pkg sort, func SliceStable(interface{}, func(int, int) bool)
pkg syscall (linux-arm-cgo), func TimevalToNsec(Timeval) int64

pkg crypto/ecdsa, func VerifyASN1(*PublicKey, []uint8, []uint8) bool
pkg crypto/ecdsa, method (*PrivateKey) Equal(crypto.PrivateKey) bool
pkg crypto/ecdsa, method (*PublicKey) Equal(crypto.PublicKey) bool
pkg crypto/ed25519, method (PrivateKey) Equal(crypto.PrivateKey) bool
pkg crypto/ed25519, method (PublicKey) Equal(crypto.PublicKey) bool
pkg crypto/elliptic, func MarshalCompressed(Curve, *big.Int, *big.Int) []uint8

	"BLT":  true,
	"BGT":  true,
	"BLE":  true,
	"CALL": true,
	"JMP":  true,
}

func jumpArm(word string) bool {
	return armJump[word]
}

// IsARMCMP reports whether the op (as defined by an arm.A* constant) is
// one of the comparison instructions that require special handling.
func IsARMCMP(op obj.As) bool {
	switch op {
	case arm.ACMN, arm.ACMP, arm.ATEQ, arm.ATST:
		return true
	}
	return false
}

	ctxt          *obj.Link
	firstProg     *obj.Prog
	lastProg      *obj.Prog
	dataAddr      map[string]int64 // Most recent address for DATA for this symbol.
	isJump        bool             // Instruction being assembled is a jump.
	allowABI      bool             // Whether ABI selectors are allowed.
	pkgPrefix     string           // Prefix to add to local symbols.
	errorWriter   io.Writer
}

type Patch struct {
	addr  *obj.Addr

// assembler.

package arch

import (
	"cmd/internal/obj"
	"cmd/internal/obj/riscv"
)

// IsRISCV64AMO reports whether op is an AMO instruction that requires
// special handling.
func IsRISCV64AMO(op obj.As) bool {
	switch op {
	case riscv.ASCW, riscv.ASCD, riscv.AAMOSWAPW, riscv.AAMOSWAPD, riscv.AAMOADDW, riscv.AAMOADDD,
		riscv.AAMOANDW, riscv.AAMOANDD, riscv.AAMOORW, riscv.AAMOORD, riscv.AAMOXORW, riscv.AAMOXORD,