1  /*
       2   * Copyright (c) 2021 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_prstatus_regset(struct tcb *const tcp,
      10  			    const kernel_ulong_t addr,
      11  			    const kernel_ulong_t size)
      12  {
      13  	struct_prstatus_regset 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_X(regs, pc);
      21  		if (fetch_size > offsetof(struct_prstatus_regset, ra)) {
      22  			tprint_struct_next();
      23  			PRINT_FIELD_X(regs, ra);
      24  		}
      25  		if (fetch_size > offsetof(struct_prstatus_regset, sp)) {
      26  			tprint_struct_next();
      27  			PRINT_FIELD_X(regs, sp);
      28  		}
      29  		if (fetch_size > offsetof(struct_prstatus_regset, gp)) {
      30  			tprint_struct_next();
      31  			PRINT_FIELD_X(regs, gp);
      32  		}
      33  		if (fetch_size > offsetof(struct_prstatus_regset, tp)) {
      34  			tprint_struct_next();
      35  			PRINT_FIELD_X(regs, tp);
      36  		}
      37  		if (fetch_size > offsetof(struct_prstatus_regset, t0)) {
      38  			tprint_struct_next();
      39  			PRINT_FIELD_X(regs, t0);
      40  		}
      41  		if (fetch_size > offsetof(struct_prstatus_regset, t1)) {
      42  			tprint_struct_next();
      43  			PRINT_FIELD_X(regs, t1);
      44  		}
      45  		if (fetch_size > offsetof(struct_prstatus_regset, t2)) {
      46  			tprint_struct_next();
      47  			PRINT_FIELD_X(regs, t2);
      48  		}
      49  		if (fetch_size > offsetof(struct_prstatus_regset, s0)) {
      50  			tprint_struct_next();
      51  			PRINT_FIELD_X(regs, s0);
      52  		}
      53  		if (fetch_size > offsetof(struct_prstatus_regset, s1)) {
      54  			tprint_struct_next();
      55  			PRINT_FIELD_X(regs, s1);
      56  		}
      57  		if (fetch_size > offsetof(struct_prstatus_regset, a0)) {
      58  			tprint_struct_next();
      59  			PRINT_FIELD_X(regs, a0);
      60  		}
      61  		if (fetch_size > offsetof(struct_prstatus_regset, a1)) {
      62  			tprint_struct_next();
      63  			PRINT_FIELD_X(regs, a1);
      64  		}
      65  		if (fetch_size > offsetof(struct_prstatus_regset, a2)) {
      66  			tprint_struct_next();
      67  			PRINT_FIELD_X(regs, a2);
      68  		}
      69  		if (fetch_size > offsetof(struct_prstatus_regset, a3)) {
      70  			tprint_struct_next();
      71  			PRINT_FIELD_X(regs, a3);
      72  		}
      73  		if (fetch_size > offsetof(struct_prstatus_regset, a4)) {
      74  			tprint_struct_next();
      75  			PRINT_FIELD_X(regs, a4);
      76  		}
      77  		if (fetch_size > offsetof(struct_prstatus_regset, a5)) {
      78  			tprint_struct_next();
      79  			PRINT_FIELD_X(regs, a5);
      80  		}
      81  		if (fetch_size > offsetof(struct_prstatus_regset, a6)) {
      82  			tprint_struct_next();
      83  			PRINT_FIELD_X(regs, a6);
      84  		}
      85  		if (fetch_size > offsetof(struct_prstatus_regset, a7)) {
      86  			tprint_struct_next();
      87  			PRINT_FIELD_X(regs, a7);
      88  		}
      89  		if (fetch_size > offsetof(struct_prstatus_regset, s2)) {
      90  			tprint_struct_next();
      91  			PRINT_FIELD_X(regs, s2);
      92  		}
      93  		if (fetch_size > offsetof(struct_prstatus_regset, s3)) {
      94  			tprint_struct_next();
      95  			PRINT_FIELD_X(regs, s3);
      96  		}
      97  		if (fetch_size > offsetof(struct_prstatus_regset, s4)) {
      98  			tprint_struct_next();
      99  			PRINT_FIELD_X(regs, s4);
     100  		}
     101  		if (fetch_size > offsetof(struct_prstatus_regset, s5)) {
     102  			tprint_struct_next();
     103  			PRINT_FIELD_X(regs, s5);
     104  		}
     105  		if (fetch_size > offsetof(struct_prstatus_regset, s6)) {
     106  			tprint_struct_next();
     107  			PRINT_FIELD_X(regs, s6);
     108  		}
     109  		if (fetch_size > offsetof(struct_prstatus_regset, s7)) {
     110  			tprint_struct_next();
     111  			PRINT_FIELD_X(regs, s7);
     112  		}
     113  		if (fetch_size > offsetof(struct_prstatus_regset, s8)) {
     114  			tprint_struct_next();
     115  			PRINT_FIELD_X(regs, s8);
     116  		}
     117  		if (fetch_size > offsetof(struct_prstatus_regset, s9)) {
     118  			tprint_struct_next();
     119  			PRINT_FIELD_X(regs, s9);
     120  		}
     121  		if (fetch_size > offsetof(struct_prstatus_regset, s10)) {
     122  			tprint_struct_next();
     123  			PRINT_FIELD_X(regs, s10);
     124  		}
     125  		if (fetch_size > offsetof(struct_prstatus_regset, s11)) {
     126  			tprint_struct_next();
     127  			PRINT_FIELD_X(regs, s11);
     128  		}
     129  		if (fetch_size > offsetof(struct_prstatus_regset, t3)) {
     130  			tprint_struct_next();
     131  			PRINT_FIELD_X(regs, t3);
     132  		}
     133  		if (fetch_size > offsetof(struct_prstatus_regset, t4)) {
     134  			tprint_struct_next();
     135  			PRINT_FIELD_X(regs, t4);
     136  		}
     137  		if (fetch_size > offsetof(struct_prstatus_regset, t5)) {
     138  			tprint_struct_next();
     139  			PRINT_FIELD_X(regs, t5);
     140  		}
     141  		if (fetch_size > offsetof(struct_prstatus_regset, t6)) {
     142  			tprint_struct_next();
     143  			PRINT_FIELD_X(regs, t6);
     144  		}
     145  		if (size > sizeof(regs)) {
     146  			tprint_struct_next();
     147  			tprint_more_data_follows();
     148  		}
     149  		tprint_struct_end();
     150  	}
     151  }