Line data    Source code

       1              : /* MIPS ABI-specified defaults for DWARF CFI.
       2              :    Copyright (C) 2009 Red Hat, Inc.
       3              :    Copyright (C) 2024 CIP United Inc.
       4              :    This file is part of elfutils.
       5              : 
       6              :    This file is free software; you can redistribute it and/or modify
       7              :    it under the terms of either
       8              : 
       9              :      * the GNU Lesser General Public License as published by the Free
      10              :        Software Foundation; either version 3 of the License, or (at
      11              :        your option) any later version
      12              : 
      13              :    or
      14              : 
      15              :      * the GNU General Public License as published by the Free
      16              :        Software Foundation; either version 2 of the License, or (at
      17              :        your option) any later version
      18              : 
      19              :    or both in parallel, as here.
      20              : 
      21              :    elfutils is distributed in the hope that it will be useful, but
      22              :    WITHOUT ANY WARRANTY; without even the implied warranty of
      23              :    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      24              :    General Public License for more details.
      25              : 
      26              :    You should have received copies of the GNU General Public License and
      27              :    the GNU Lesser General Public License along with this program.  If
      28              :    not, see <http://www.gnu.org/licenses/>.  */
      29              : 
      30              : #ifdef HAVE_CONFIG_H
      31              : # include <config.h>
      32              : #endif
      33              : 
      34              : #include <dwarf.h>
      35              : 
      36              : #define BACKEND mips_
      37              : #include "libebl_CPU.h"
      38              : 
      39              : int
      40            0 : mips_abi_cfi (Ebl *ebl __attribute__ ((unused)), Dwarf_CIE *abi_info)
      41              : {
      42            0 :   static const uint8_t abi_cfi[] =
      43              :     {
      44              :       DW_CFA_def_cfa, ULEB128_7 (31), ULEB128_7 (0),
      45              :       /* Callee-saved regs.  */
      46              :       DW_CFA_same_value, ULEB128_7 (16), /* s0 */
      47              :       DW_CFA_same_value, ULEB128_7 (17), /* s1 */
      48              :       DW_CFA_same_value, ULEB128_7 (18), /* s2 */
      49              :       DW_CFA_same_value, ULEB128_7 (19), /* s3 */
      50              :       DW_CFA_same_value, ULEB128_7 (20), /* s4 */
      51              :       DW_CFA_same_value, ULEB128_7 (21), /* s5 */
      52              :       DW_CFA_same_value, ULEB128_7 (22), /* s6 */
      53              :       DW_CFA_same_value, ULEB128_7 (23), /* s7 */
      54              :       DW_CFA_same_value, ULEB128_7 (28), /* gp */
      55              :       DW_CFA_same_value, ULEB128_7 (29), /* sp */
      56              :       DW_CFA_same_value, ULEB128_7 (30), /* fp */
      57              : 
      58              :       DW_CFA_val_offset, ULEB128_7 (29), ULEB128_7 (0),
      59              :     };
      60              : 
      61            0 :   abi_info->initial_instructions = abi_cfi;
      62            0 :   abi_info->initial_instructions_end = &abi_cfi[sizeof abi_cfi];
      63            0 :   abi_info->data_alignment_factor = 8;
      64              : 
      65            0 :   abi_info->return_address_register = 31; /* %ra */
      66              : 
      67            0 :   return 0;
      68              : }