// Copyright 2009 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.

// Test that heavy recursion works. Simple torture test for
// segmented stacks: do math in unary by recursion.

package main

import "runtime"

type Number *Number

// -------------------------------------
// Peano primitives

func zero() *Number {
	return nil
}

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

package types

import (
	"cmd/compile/internal/base"
	"cmd/internal/obj"
	"unicode"
	"unicode/utf8"
)

// Sym represents an object name in a segmented (pkg, name) namespace.
// Most commonly, this is a Go identifier naming an object declared within a package,
// but Syms are also used to name internal synthesized objects.
//

	// These are address over an offset view of the address space on
	// platforms with a segmented address space, that is, on platforms
	// where arenaBaseOffset != 0.
	base, limit offAddr
}

// makeAddrRange creates a new address range from two virtual addresses.
//
// Throws if the base and limit are not in the same memory segment.
func makeAddrRange(base, limit uintptr) addrRange {
	r := addrRange{offAddr{base}, offAddr{limit}}

1FBF0         ; mapped                 ; 0030          # 13.0 SEGMENTED DIGIT ZERO
1FBF1         ; mapped                 ; 0031          # 13.0 SEGMENTED DIGIT ONE
1FBF2         ; mapped                 ; 0032          # 13.0 SEGMENTED DIGIT TWO
1FBF3         ; mapped                 ; 0033          # 13.0 SEGMENTED DIGIT THREE
1FBF4         ; mapped                 ; 0034          # 13.0 SEGMENTED DIGIT FOUR

}

// machoUpdateSegment updates the load command for a moved segment.
// Only the linkedit segment should move, and it should have 0 sections.
func machoUpdateSegment(r loadCmdReader, linkseg *macho.Segment, linkoffset uint64) error {
	var seg macho.Segment64
	if err := r.ReadAt(0, &seg); err != nil {
		return err
	}

	// Only the linkedit segment moved, anything before that is fine.
	if seg.Offset < linkseg.Offset {

// THE SOFTWARE.

package sym

// Terrible but standard terminology.
// A segment describes a block of file to load into memory.
// A section further describes the pieces of that block for
// use in debuggers and such.

type Segment struct {
	Rwx      uint8  // permission as usual unix bits (5 = r-x etc)
	Vaddr    uint64 // virtual address
	Length   uint64 // length in memory

				for {
					// look for beginning of zeroes
					for segmentEnd < dataLen && data[segmentEnd] != 0 {
						segmentEnd++
					}
					// look for end of zeroes
					zeroEnd = segmentEnd
					for zeroEnd < dataLen && data[zeroEnd] == 0 {
						zeroEnd++
					}
					// emit segment if omitting zeroes reduces the output size
					if zeroEnd-segmentEnd >= segmentOverhead || zeroEnd == dataLen {
						break
					}

 * "/square/okhttp/issues/1486" and decompose into a list of segments like `["square", "okhttp",
 * "issues", "1486"]`.
 *
 * This class offers methods to compose and decompose paths by segment. It composes each path
 * from a list of segments by alternating between "/" and the encoded segment. For example the
 * segments `["a", "b"]` build "/a/b" and the segments `["a", "b", ""]` build "/a/b/".
 *

     */
    long sum = 0L;
    Segment<K, V, E, S>[] segments = this.segments;
    for (int i = 0; i < segments.length; ++i) {
      if (segments[i].count != 0) {
        return false;
      }
      sum += segments[i].modCount;
    }

    if (sum != 0L) { // recheck unless no modifications
      for (int i = 0; i < segments.length; ++i) {
        if (segments[i].count != 0) {
          return false;

type (
	// A Segment32 is a 32-bit Mach-O segment load command.
	Segment32 struct {
		Cmd     LoadCmd
		Len     uint32
		Name    [16]byte
		Addr    uint32
		Memsz   uint32
		Offset  uint32
		Filesz  uint32
		Maxprot uint32
		Prot    uint32
		Nsect   uint32
		Flag    uint32
	}

	// A Segment64 is a 64-bit Mach-O segment load command.
	Segment64 struct {