98 lines
3.1 KiB
C
98 lines
3.1 KiB
C
|
/* Native-dependent code for OpenBSD/powerpc.
|
|||
|
|
|||
|
Copyright 2004 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 2 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, write to the Free Software
|
|||
|
Foundation, Inc., 59 Temple Place - Suite 330,
|
|||
|
Boston, MA 02111-1307, USA. */
|
|||
|
|
|||
|
#include "defs.h"
|
|||
|
#include "inferior.h"
|
|||
|
#include "regcache.h"
|
|||
|
|
|||
|
#include <stddef.h>
|
|||
|
#include <sys/types.h>
|
|||
|
#include <sys/ptrace.h>
|
|||
|
#include <machine/reg.h>
|
|||
|
|
|||
|
#include "ppcobsd-tdep.h"
|
|||
|
|
|||
|
/* OpenBSD/powerpc doesn't have PT_GETFPREGS/PT_SETFPREGS like
|
|||
|
NetBSD/powerpc and FreeBSD/powerpc. */
|
|||
|
|
|||
|
/* Fetch register REGNUM from the inferior. If REGNUM is -1, do this
|
|||
|
for all registers. */
|
|||
|
|
|||
|
void
|
|||
|
fetch_inferior_registers (int regnum)
|
|||
|
{
|
|||
|
struct reg regs;
|
|||
|
|
|||
|
if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
|
|||
|
(PTRACE_ARG3_TYPE) ®s, 0) == -1)
|
|||
|
perror_with_name ("Couldn't get registers");
|
|||
|
|
|||
|
ppcobsd_supply_gregset (&ppcobsd_gregset, current_regcache, -1,
|
|||
|
®s, sizeof regs);
|
|||
|
}
|
|||
|
|
|||
|
/* Store register REGNUM back into the inferior. If REGNUM is -1, do
|
|||
|
this for all registers. */
|
|||
|
|
|||
|
void
|
|||
|
store_inferior_registers (int regnum)
|
|||
|
{
|
|||
|
struct reg regs;
|
|||
|
|
|||
|
if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
|
|||
|
(PTRACE_ARG3_TYPE) ®s, 0) == -1)
|
|||
|
perror_with_name ("Couldn't get registers");
|
|||
|
|
|||
|
ppcobsd_collect_gregset (&ppcobsd_gregset, current_regcache,
|
|||
|
regnum, ®s, sizeof regs);
|
|||
|
|
|||
|
if (ptrace (PT_SETREGS, PIDGET (inferior_ptid),
|
|||
|
(PTRACE_ARG3_TYPE) ®s, 0) == -1)
|
|||
|
perror_with_name ("Couldn't write registers");
|
|||
|
}
|
|||
|
|
|||
|
|
|||
|
/* Provide a prototype to silence -Wmissing-prototypes. */
|
|||
|
void _initialize_ppcobsd_nat (void);
|
|||
|
|
|||
|
void
|
|||
|
_initialize_ppcobsd_nat (void)
|
|||
|
{
|
|||
|
/* General-purpose registers. */
|
|||
|
ppcobsd_reg_offsets.r0_offset = offsetof (struct reg, gpr);
|
|||
|
ppcobsd_reg_offsets.pc_offset = offsetof (struct reg, pc);
|
|||
|
ppcobsd_reg_offsets.ps_offset = offsetof (struct reg, ps);
|
|||
|
ppcobsd_reg_offsets.cr_offset = offsetof (struct reg, cnd);
|
|||
|
ppcobsd_reg_offsets.lr_offset = offsetof (struct reg, lr);
|
|||
|
ppcobsd_reg_offsets.ctr_offset = offsetof (struct reg, cnt);
|
|||
|
ppcobsd_reg_offsets.xer_offset = offsetof (struct reg, xer);
|
|||
|
ppcobsd_reg_offsets.mq_offset = offsetof (struct reg, mq);
|
|||
|
|
|||
|
/* Floating-point registers. */
|
|||
|
ppcobsd_reg_offsets.f0_offset = offsetof (struct reg, fpr);
|
|||
|
ppcobsd_reg_offsets.fpscr_offset = -1;
|
|||
|
|
|||
|
/* AltiVec registers. */
|
|||
|
ppcobsd_reg_offsets.vr0_offset = offsetof (struct vreg, vreg);
|
|||
|
ppcobsd_reg_offsets.vscr_offset = offsetof (struct vreg, vscr);
|
|||
|
ppcobsd_reg_offsets.vrsave_offset = offsetof (struct vreg, vrsave);
|
|||
|
}
|