Line data    Source code

       1             : /* Register names and numbers for TILE-Gx DWARF.
       2             :    Copyright (C) 2012 Tilera Corporation
       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 <stdio.h>
      34             : #include <string.h>
      35             : #include <dwarf.h>
      36             : 
      37             : #define BACKEND tilegx_
      38             : #include "libebl_CPU.h"
      39             : 
      40             : ssize_t
      41          66 : tilegx_register_info (Ebl *ebl __attribute__ ((unused)),
      42             :                     int regno, char *name, size_t namelen,
      43             :                     const char **prefix, const char **setname,
      44             :                     int *bits, int *type)
      45             : {
      46          66 :   if (name == NULL)
      47             :     return 65;
      48             : 
      49          65 :   if (regno < 0 || regno > 64 || namelen < 5)
      50             :     return -1;
      51             : 
      52          65 :   *prefix = "";
      53          65 :   *setname = "integer";
      54          65 :   *bits = 64;
      55             : 
      56          65 :   switch (regno)
      57             :     {
      58          10 :     case 0 ... 9:
      59          10 :       *type = DW_ATE_signed;
      60          10 :       name[0] = 'r';
      61          10 :       name[1] = regno + '0';
      62          10 :       namelen = 2;
      63          10 :       break;
      64             : 
      65          43 :     case 10 ... 52:
      66          43 :       *type = DW_ATE_signed;
      67          43 :       name[0] = 'r';
      68          43 :       name[1] = regno / 10 + '0';
      69          43 :       name[2] = regno % 10 + '0';
      70          43 :       namelen = 3;
      71          43 :       break;
      72             : 
      73           1 :     case 53:
      74           1 :       *type = DW_ATE_address;
      75           2 :       return stpcpy (name, "tp") + 1 - name;
      76             : 
      77           1 :     case 54:
      78           1 :       *type = DW_ATE_address;
      79           2 :       return stpcpy (name, "sp") + 1 - name;
      80             : 
      81           1 :     case 55:
      82           1 :       *type = DW_ATE_address;
      83           2 :       return stpcpy (name, "lr") + 1 - name;
      84             : 
      85           1 :     case 56:
      86           1 :       *type = DW_ATE_unsigned;
      87           2 :       return stpcpy (name, "sn") + 1 - name;
      88             : 
      89           1 :     case 57:
      90           1 :       *type = DW_ATE_unsigned;
      91           2 :       return stpcpy (name, "idn0") + 1 - name;
      92             : 
      93           1 :     case 58:
      94           1 :       *type = DW_ATE_unsigned;
      95           2 :       return stpcpy (name, "idn1") + 1 - name;
      96             : 
      97           1 :     case 59:
      98           1 :       *type = DW_ATE_unsigned;
      99           2 :       return stpcpy (name, "udn0") + 1 - name;
     100             : 
     101           1 :     case 60:
     102           1 :       *type = DW_ATE_unsigned;
     103           2 :       return stpcpy (name, "udn1") + 1 - name;
     104             : 
     105           1 :     case 61:
     106           1 :       *type = DW_ATE_unsigned;
     107           2 :       return stpcpy (name, "udn2") + 1 - name;
     108             : 
     109           1 :     case 62:
     110           1 :       *type = DW_ATE_unsigned;
     111           2 :       return stpcpy (name, "udn3") + 1 - name;
     112             : 
     113           1 :     case 63:
     114           1 :       *type = DW_ATE_unsigned;
     115           2 :       return stpcpy (name, "zero") + 1 - name;
     116             : 
     117           1 :     case 64:
     118           1 :       *type = DW_ATE_address;
     119           2 :       return stpcpy (name, "pc") + 1 - name;
     120             : 
     121             :     /* Can't happen.  */
     122           0 :     default:
     123           0 :       *setname = NULL;
     124           0 :       return 0;
     125             :     }
     126             : 
     127          53 :   name[namelen++] = '\0';
     128          53 :   return namelen;
     129             : }