package main

import (
	"sync/atomic"
)

func main() {
	a := atomic.Int32{}
	a.Store(1)
	a.CompareAndSwap(1, 4)
}

package main

import (
	"debug/elf"
	"fmt"
	"log"

	"golang.org/x/arch/arm64/arm64asm"
)

func main() {
	file, err := elf.Open("/home/tzx/test/casal/main")
	if err != nil {
		log.Fatal(err)
	}
	defer file.Close()

	for _, section := range file.Sections {
		if section.Flags&elf.SHF_EXECINSTR != 0 {
			data, err := section.Data()
			if err != nil {
				log.Fatal(err)
			}
			for pc := section.Addr; pc < section.Addr+section.Size; {
				instr, err := arm64asm.Decode(data[pc-section.Addr:])
				if err != nil {
					fmt.Printf("%#x: error data: ", pc)
					for i := len(data[pc-section.Addr:pc-section.Addr+4]) - 1; i >= 0; i-- {
						fmt.Printf("%02x", data[pc-section.Addr+uint64(i)])
					}
					fmt.Printf("\n")
				} else {
					fmt.Printf("%#x: %s\n", pc, instr)
				}
				pc += 4
			}
		}
	}
}