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             : }