Line data    Source code

       1              : /* C-SKY ABI-specified defaults for DWARF CFI.
       2              :    Copyright (C) 2019 Hangzhou C-SKY Microsystems co.,ltd.
       3              :    This file is part of elfutils.
       4              : 
       5              :    This file is free software; you can redistribute it and/or modify
       6              :    it under the terms of either
       7              : 
       8              :      * the GNU Lesser General Public License as published by the Free
       9              :        Software Foundation; either version 3 of the License, or (at
      10              :        your option) any later version
      11              : 
      12              :    or
      13              : 
      14              :      * the GNU General Public License as published by the Free
      15              :        Software Foundation; either version 2 of the License, or (at
      16              :        your option) any later version
      17              : 
      18              :    or both in parallel, as here.
      19              : 
      20              :    elfutils is distributed in the hope that it will be useful, but
      21              :    WITHOUT ANY WARRANTY; without even the implied warranty of
      22              :    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      23              :    General Public License for more details.
      24              : 
      25              :    You should have received copies of the GNU General Public License and
      26              :    the GNU Lesser General Public License along with this program.  If
      27              :    not, see <http://www.gnu.org/licenses/>.  */
      28              : 
      29              : #ifdef HAVE_CONFIG_H
      30              : # include <config.h>
      31              : #endif
      32              : 
      33              : #include <dwarf.h>
      34              : 
      35              : #define BACKEND csky_
      36              : #include "libebl_CPU.h"
      37              : 
      38              : 
      39              : int
      40            2 : csky_abi_cfi (Ebl *ebl __attribute__ ((unused)), Dwarf_CIE *abi_info)
      41              : {
      42            2 :   static const uint8_t abi_cfi[] =
      43              :     {
      44              :       DW_CFA_def_cfa, ULEB128_7 (14), ULEB128_7 (0),
      45              :       DW_CFA_val_offset, ULEB128_7 (14), ULEB128_7 (0),
      46              : 
      47              : #define SV(n) DW_CFA_same_value, ULEB128_7 (n)
      48              :       SV(4), SV (5), SV (6), SV (7), SV (8), SV (9),
      49              :       SV(10), SV (11), SV (15), SV (16), SV (17)
      50              : #undef SV
      51              :     };
      52              : 
      53            2 :   abi_info->initial_instructions = abi_cfi;
      54            2 :   abi_info->initial_instructions_end = &abi_cfi[sizeof abi_cfi];
      55            2 :   abi_info->data_alignment_factor = -4;
      56              : 
      57            2 :   abi_info->return_address_register = 15; /* lr.  */
      58              : 
      59            2 :   return 0;
      60              : }