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[/] [openrisc/] [trunk/] [gnu-stable/] [gdb-7.2/] [gdb/] [gdbserver/] [nto-x86-low.c] - Blame information for rev 841

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Line No. Rev Author Line
1 330 jeremybenn
/* QNX Neutrino specific low level interface, for the remote server
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   for GDB.
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   Copyright (C) 2009, 2010 Free Software Foundation, Inc.
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   This file is part of GDB.
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   This program is free software; you can redistribute it and/or modify
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   it under the terms of the GNU General Public License as published by
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   the Free Software Foundation; either version 3 of the License, or
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   (at your option) any later version.
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   This program is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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   GNU General Public License for more details.
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   You should have received a copy of the GNU General Public License
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   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
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#include "server.h"
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#include "nto-low.h"
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#include "regdef.h"
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#include "regcache.h"
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#include <x86/context.h>
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/* Definition auto generated from reg-i386.dep.  */
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extern void init_registers_i386 ();
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extern struct reg *regs_i386;
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const unsigned char x86_breakpoint[] = { 0xCC };
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#define x86_breakpoint_len 1
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/* Returns offset in appropriate Neutrino's context structure.
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   Defined in x86/context.h.
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   GDBREGNO is index into regs_i386 array.  It is autogenerated and
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   hopefully doesn't change.  */
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static int
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nto_x86_register_offset (int gdbregno)
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{
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  if (gdbregno >= 0 && gdbregno < 16)
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    {
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      X86_CPU_REGISTERS *dummy = (void*)0;
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      /* GPRs  */
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      switch (gdbregno)
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        {
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        case 0:
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          return (int)&(dummy->eax);
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        case 1:
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          return (int)&(dummy->ecx);
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        case 2:
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          return (int)&(dummy->edx);
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        case 3:
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          return (int)&(dummy->ebx);
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        case 4:
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          return (int)&(dummy->esp);
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        case 5:
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          return (int)&(dummy->ebp);
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        case 6:
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          return (int)&(dummy->esi);
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        case 7:
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          return (int)&(dummy->edi);
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        case 8:
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          return (int)&(dummy->eip);
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        case 9:
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          return (int)&(dummy->efl);
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        case 10:
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          return (int)&(dummy->cs);
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        case 11:
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          return (int)&(dummy->ss);
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#ifdef __SEGMENTS__
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        case 12:
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          return (int)&(dummy->ds);
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        case 13:
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          return (int)&(dummy->es);
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        case 14:
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          return (int)&(dummy->fs);
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        case 15:
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          return (int)&(dummy->gs);
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#endif
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        default:
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          return -1;
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        }
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    }
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  return -1;
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}
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static void
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nto_x86_arch_setup (void)
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{
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  init_registers_i386 ();
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  the_low_target.num_regs = 16;
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}
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struct nto_target_ops the_low_target =
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{
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  nto_x86_arch_setup,
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  0, /* num_regs */
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  nto_x86_register_offset,
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  x86_breakpoint,
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  x86_breakpoint_len
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};
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