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             : }