1  /*
       2   * Copyright (c) 2021-2022 The strace developers.
       3   * All rights reserved.
       4   *
       5   * SPDX-License-Identifier: LGPL-2.1-or-later
       6   */
       7  
       8  static void
       9  arch_decode_fpregset(struct tcb *const tcp,
      10  		     const kernel_ulong_t addr,
      11  		     const kernel_ulong_t size)
      12  {
      13  	struct_fpregset regs;
      14  	const size_t fetch_size = MIN(sizeof(regs), size);
      15  
      16  	if (!size || size & 7) {
      17  		printaddr(addr);
      18  	} else if (!umoven_or_printaddr(tcp, addr, fetch_size, &regs)) {
      19  		tprint_struct_begin();
      20  		PRINT_FIELD_ARRAY_UPTO(regs, fpr, fetch_size / 8, tcp,
      21  				       print_xint_array_member);
      22  		if (fetch_size > offsetof(struct_fpregset, fcc)) {
      23  			tprint_struct_next();
      24  			PRINT_FIELD_X(regs, fcc);
      25  		}
      26  		if (fetch_size > offsetof(struct_fpregset, fcsr)) {
      27  			tprint_struct_next();
      28  			PRINT_FIELD_X(regs, fcsr);
      29  		}
      30  		if (size > sizeof(regs)) {
      31  			tprint_struct_next();
      32  			tprint_more_data_follows();
      33  		}
      34  		tprint_struct_end();
      35  	}
      36  }