109 lines
2.5 KiB
C
109 lines
2.5 KiB
C
/* QNX Neutrino specific low level interface, for the remote server
|
|
for GDB.
|
|
Copyright (C) 2009-2015 Free Software Foundation, Inc.
|
|
|
|
This file is part of GDB.
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>. */
|
|
|
|
#include "server.h"
|
|
#include "nto-low.h"
|
|
#include "regdef.h"
|
|
#include "regcache.h"
|
|
|
|
#include <x86/context.h>
|
|
|
|
|
|
/* Definition auto generated from reg-i386.dep. */
|
|
extern void init_registers_i386 ();
|
|
extern struct reg *regs_i386;
|
|
extern const struct target_desc *tdesc_i386;
|
|
|
|
const unsigned char x86_breakpoint[] = { 0xCC };
|
|
#define x86_breakpoint_len 1
|
|
|
|
/* Returns offset in appropriate Neutrino's context structure.
|
|
Defined in x86/context.h.
|
|
GDBREGNO is index into regs_i386 array. It is autogenerated and
|
|
hopefully doesn't change. */
|
|
static int
|
|
nto_x86_register_offset (int gdbregno)
|
|
{
|
|
if (gdbregno >= 0 && gdbregno < 16)
|
|
{
|
|
X86_CPU_REGISTERS *dummy = (void*)0;
|
|
/* GPRs */
|
|
switch (gdbregno)
|
|
{
|
|
case 0:
|
|
return (int)&(dummy->eax);
|
|
case 1:
|
|
return (int)&(dummy->ecx);
|
|
case 2:
|
|
return (int)&(dummy->edx);
|
|
case 3:
|
|
return (int)&(dummy->ebx);
|
|
case 4:
|
|
return (int)&(dummy->esp);
|
|
case 5:
|
|
return (int)&(dummy->ebp);
|
|
case 6:
|
|
return (int)&(dummy->esi);
|
|
case 7:
|
|
return (int)&(dummy->edi);
|
|
case 8:
|
|
return (int)&(dummy->eip);
|
|
case 9:
|
|
return (int)&(dummy->efl);
|
|
case 10:
|
|
return (int)&(dummy->cs);
|
|
case 11:
|
|
return (int)&(dummy->ss);
|
|
#ifdef __SEGMENTS__
|
|
case 12:
|
|
return (int)&(dummy->ds);
|
|
case 13:
|
|
return (int)&(dummy->es);
|
|
case 14:
|
|
return (int)&(dummy->fs);
|
|
case 15:
|
|
return (int)&(dummy->gs);
|
|
#endif
|
|
default:
|
|
return -1;
|
|
}
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
static void
|
|
nto_x86_arch_setup (void)
|
|
{
|
|
init_registers_i386 ();
|
|
the_low_target.num_regs = 16;
|
|
nto_tdesc = tdesc_i386;
|
|
}
|
|
|
|
struct nto_target_ops the_low_target =
|
|
{
|
|
nto_x86_arch_setup,
|
|
0, /* num_regs */
|
|
nto_x86_register_offset,
|
|
x86_breakpoint,
|
|
x86_breakpoint_len
|
|
};
|
|
|
|
|
|
|