// Copyright 2015 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 asm

import (
	"internal/buildcfg"
	"strings"
	"testing"

	"cmd/asm/internal/arch"
	"cmd/asm/internal/lex"
	"cmd/internal/obj"
)

// A simple in-out test: Do we print what we parse?

func setArch(goarch string) (*arch.Arch, *obj.Link) {

	"cmd/internal/src"
)

// A ScanToken represents an input item. It is a simple wrapping of rune, as
// returned by text/scanner.Scanner, plus a couple of extra values.
type ScanToken rune

const (
	// Asm defines some two-character lexemes. We make up
	// a rune/ScanToken value for them - ugly but simple.
	LSH          ScanToken = -1000 - iota // << Left shift.
	RSH                                   // >> Logical right shift.

// The difference between MRC and MCR is represented by a bit high in the word, not
// in the usual way by the opcode itself. Asm must use AMRC for both instructions, so
// we return the opcode for MRC so that asm doesn't need to import obj/arm.
func ARMMRCOffset(op obj.As, cond string, x0, x1, x2, x3, x4, x5 int64) (offset int64, op0 obj.As, ok bool) {
	op1 := int64(0)
	if op == arm.AMRC {

    "gloo",
    "highwayhash",
    "hwloc",
    "implib_so",
    "llvm-raw",
    "llvm_openmp",
    "mkl_dnn_acl_compatible",
    "ml_dtypes_py",
    "mpitrampoline",
    "nanobind",
    "nasm",
    "nvshmem",
    "onednn",
    "onednn_async",
    "pthreadpool",
    "raft",
    "riegeli",
    "rocm_device_libs",
    "shardy",
    "slinky",
    "stablehlo",

	j.MetaSys = make(map[string][]byte)
	j.MetaSys[metaTierName] = []byte("WARM-1")
	j.MetaSys[metaTierStatus] = []byte(lifecycle.TransitionComplete)
	j.MetaSys[metaTierObjName] = []byte("obj-1")
	if _, ok := j.InitFreeVersion(fi); !ok {
		t.Fatal("Expected a free version to be created")
	}

	// Test if we skip creating a free version if SkipTier was set on fi
	fi.SetSkipTierFreeVersion()
	if _, ok := j.InitFreeVersion(fi); ok {

   * granted only 100ms ago, then we wait for another 100ms. At this rate, serving 15 fresh permits
   * (i.e. for an acquire(15) request) naturally takes 3 seconds.
   *
   * It is important to realize that such a RateLimiter has a very superficial memory of the past:
   * it only remembers the last request. What if the RateLimiter was unused for a long period of

  {
    "name": "architecture-test",
    "path": "testing/architecture-test",
    "unitTests": true,
    "functionalTests": false,
    "crossVersionTests": false
  },
  {
    "name": "base-asm",
    "path": "platforms/core-runtime/base-asm",
    "unitTests": false,
    "functionalTests": false,
    "crossVersionTests": false
  },
  {
    "name": "base-compiler-worker",
    "path": "platforms/software/base-compiler-worker",

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

// Package asm implements the parser and instruction generator for the assembler.
// TODO: Split apart?
package asm

import (
	"fmt"
	"io"
	"log"
	"os"
	"strconv"
	"strings"
	"text/scanner"
	"unicode/utf8"

	"cmd/asm/internal/arch"
	"cmd/asm/internal/flags"
	"cmd/asm/internal/lex"
	"cmd/internal/obj"
	"cmd/internal/obj/arm64"

was another long passage, and the White Rabbit was still in
sight, hurrying down it.  There was not a moment to be lost:
away went Alice like the wind, and was just in time to hear it
say, as it turned a corner, `Oh my ears and whiskers, how late
it's getting!'  She was close behind it when she turned the
corner, but the Rabbit was no longer to be seen:  she found

 *  * BER: Basic Encoding Rules.
 *
 * This class was implemented according to the [X.690 spec][[x690]], and under the advice of
 * [Lets Encrypt's ASN.1 and DER][asn1_and_der] guide.
 *
 * [x690]: https://www.itu.int/rec/T-REC-X.690
 * [asn1_and_der]: https://letsencrypt.org/docs/a-warm-welcome-to-asn1-and-der/
 */
internal class DerReader(
  source: Source,
) {