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       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                 :            : }