Line data    Source code

       1              : /* Fetch live process registers from TID.
       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              : #if defined __m68k__ && defined __linux__
      33              : # include <sys/types.h>
      34              : # include <sys/user.h>
      35              : # include <sys/ptrace.h>
      36              : #endif
      37              : 
      38              : #define BACKEND m68k_
      39              : #include "libebl_CPU.h"
      40              : 
      41              : bool
      42            0 : m68k_set_initial_registers_tid (pid_t tid __attribute__ ((unused)),
      43              :                                 ebl_tid_registers_t *setfunc __attribute__ ((unused)),
      44              :                                 void *arg __attribute__ ((unused)))
      45              : {
      46              : #if !defined __m68k__ || !defined __linux__
      47            0 :   return false;
      48              : #else /* __m68k__ */
      49              :   struct user_regs_struct user_regs;
      50              :   if (ptrace (PTRACE_GETREGS, tid, NULL, &user_regs) != 0)
      51              :     return false;
      52              : 
      53              :   Dwarf_Word dwarf_regs[16];
      54              :   dwarf_regs[0] = user_regs.d0;
      55              :   dwarf_regs[1] = user_regs.d1;
      56              :   dwarf_regs[2] = user_regs.d2;
      57              :   dwarf_regs[3] = user_regs.d3;
      58              :   dwarf_regs[4] = user_regs.d4;
      59              :   dwarf_regs[5] = user_regs.d5;
      60              :   dwarf_regs[6] = user_regs.d6;
      61              :   dwarf_regs[7] = user_regs.d7;
      62              :   dwarf_regs[8] = user_regs.a0;
      63              :   dwarf_regs[9] = user_regs.a1;
      64              :   dwarf_regs[10] = user_regs.a2;
      65              :   dwarf_regs[11] = user_regs.a3;
      66              :   dwarf_regs[12] = user_regs.a4;
      67              :   dwarf_regs[13] = user_regs.a5;
      68              :   dwarf_regs[14] = user_regs.a6;
      69              :   dwarf_regs[15] = user_regs.usp;
      70              : 
      71              :   /* D0..D7, A0..A7.  */
      72              :   if (! setfunc (0, 16, dwarf_regs, arg))
      73              :     return false;
      74              : 
      75              :   /* PC.  */
      76              :   dwarf_regs[0] = user_regs.pc;
      77              :   if (! setfunc (24, 1, dwarf_regs, arg))
      78              :     return false;
      79              : 
      80              :   return true;
      81              : #endif /* __m68k__ */
      82              : }