EM_TI_PRU        Machine = 144 /* Texas Instruments Programmable Realtime Unit */
	EM_MMDSP_PLUS    Machine = 160 /* STMicroelectronics 64bit VLIW Data Signal Processor */
	EM_CYPRESS_M8C   Machine = 161 /* Cypress M8C microprocessor */
	EM_R32C          Machine = 162 /* Renesas R32C series microprocessors */

		}
		v := c.regoff(&p.From)
		o1 = c.oaddi(p, p.As, v, rt, r)

	case 3: /* op R<<n[,R],R (shifted register) */
		o1 = c.oprrr(p, p.As)

		amount := (p.From.Offset >> 10) & 63
		is64bit := o1 & (1 << 31)
		if is64bit == 0 && amount >= 32 {
			c.ctxt.Diag("shift amount out of range 0 to 31: %v", p)
		}
		shift := (p.From.Offset >> 22) & 3

	{0x00, 0x00, 0x06, 0x47},                  // Plan 9 arm
	{0x00, 0x61, 0x73, 0x6D},                  // WASM
	{0x01, 0xDF},                              // XCOFF 32bit
	{0x01, 0xF7},                              // XCOFF 64bit
}

func isObject(s string) bool {
	f, err := os.Open(s)
	if err != nil {
		return false
	}
	defer f.Close()
	buf := make([]byte, 64)
	io.ReadFull(f, buf)

	if a.Offset != int64(int32(a.Offset)) {
		// The rules are slightly different for 386 and AMD64,
		// mostly for historical reasons. We may unify them later,
		// but it must be discussed beforehand.
		//
		// For 64bit mode only LEAL is allowed to overflow.
		// It's how https://golang.org/cl/59630 made it.
		// crypto/sha1/sha1block_amd64.s depends on this feature.
		//
		// For 32bit mode rules are more permissive.

	// We must check this to avoid a deadlock between setcpuprofilerate
	// and the call to cpuprof.add, below.
	if mp != nil && mp.profilehz == 0 {
		return
	}

	// On mips{,le}/arm, 64bit atomics are emulated with spinlocks, in
	// internal/runtime/atomic. If SIGPROF arrives while the program is inside
	// the critical section, it creates a deadlock (when writing the sample).