Line data    Source code

       1              : /* m68k ABI-specified defaults for DWARF CFI.
       2              :    This file is part of elfutils.
       3              : 
       4              :    This file is free software; you can redistribute it and/or modify
       5              :    it under the terms of either
       6              : 
       7              :      * the GNU Lesser General Public License as published by the Free
       8              :        Software Foundation; either version 3 of the License, or (at
       9              :        your option) any later version
      10              : 
      11              :    or
      12              : 
      13              :      * the GNU General Public License as published by the Free
      14              :        Software Foundation; either version 2 of the License, or (at
      15              :        your option) any later version
      16              : 
      17              :    or both in parallel, as here.
      18              : 
      19              :    elfutils is distributed in the hope that it will be useful, but
      20              :    WITHOUT ANY WARRANTY; without even the implied warranty of
      21              :    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      22              :    General Public License for more details.
      23              : 
      24              :    You should have received copies of the GNU General Public License and
      25              :    the GNU Lesser General Public License along with this program.  If
      26              :    not, see <http://www.gnu.org/licenses/>.  */
      27              : 
      28              : #ifdef HAVE_CONFIG_H
      29              : # include <config.h>
      30              : #endif
      31              : 
      32              : #include <dwarf.h>
      33              : 
      34              : #define BACKEND m68k_
      35              : #include "libebl_CPU.h"
      36              : 
      37              : int
      38            0 : m68k_abi_cfi (Ebl *ebl __attribute__ ((unused)), Dwarf_CIE *abi_info)
      39              : {
      40            0 :   static const uint8_t abi_cfi[] =
      41              :     {
      42              : #define SV(n) DW_CFA_same_value, ULEB128_7 (n)
      43              :       /* Call-saved registers %d2-%d7, %a2-%a6.  */
      44              :       SV (2), SV (3), SV (4), SV (5), SV (6), SV (7),
      45              :       SV (10), SV (11), SV (12), SV (13), SV (14),
      46              : 
      47              :       /* The CFA is the SP.  */
      48              :       DW_CFA_val_offset, ULEB128_7 (15), ULEB128_7 (0),
      49              :     };
      50              : 
      51            0 :   abi_info->initial_instructions = abi_cfi;
      52            0 :   abi_info->initial_instructions_end = &abi_cfi[sizeof abi_cfi];
      53            0 :   abi_info->data_alignment_factor = -4;
      54              : 
      55            0 :   abi_info->return_address_register = 24; /* %pc */
      56              : 
      57            0 :   return 0;
      58              : }