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* vaxbsd-nat.c: New file.

This commit is contained in:
Mark Kettenis 2004-04-12 16:54:02 +00:00
parent 5e6b39ffbc
commit 53284fc17d
2 changed files with 96 additions and 0 deletions
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2
gdb/ChangeLog
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2004-04-12 Mark Kettenis <kettenis@gnu.org>
* vaxbsd-nat.c: New file.
* vax-tdep.h: Update copyright year. Adjust comments.
(VAX_REGISTER_SIZE, VAX_REGISTER_BYTES, VAX_MAX_REGISTER_RAW_SIZE,
VAX_MAX_REGISTER_VIRTUAL_SIZE): Remove macros.

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gdb/vaxbsd-nat.c Normal file
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/* Native-dependent code for VAX BSD's.
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 <sys/types.h>
#include <sys/ptrace.h>
#include <machine/reg.h>
#include "vax-tdep.h"
/* Supply the general-purpose registers stored in GREGS to REGCACHE. */
static void
vaxbsd_supply_gregset (struct regcache *regcache, const void *gregs)
{
const char *regs = gregs;
int regnum;
for (regnum = 0; regnum < VAX_NUM_REGS; regnum++)
regcache_raw_supply (regcache, regnum, regs + regnum * 4);
}
/* Collect the general-purpose registers from REGCACHE and store them
in GREGS. */
static void
vaxbsd_collect_gregset (const struct regcache *regcache,
void *gregs, int regnum)
{
char *regs = gregs;
int i;
for (i = 0; i <= VAX_NUM_REGS; i++)
{
if (regnum == -1 || regnum == i)
regcache_raw_collect (regcache, regnum, regs + i * 4);
}
}
/* 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) &regs, 0) == -1)
perror_with_name ("Couldn't get registers");
vaxbsd_supply_gregset (current_regcache, &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) &regs, 0) == -1)
perror_with_name ("Couldn't get registers");
vaxbsd_collect_gregset (current_regcache, &regs, regnum);
if (ptrace (PT_SETREGS, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) &regs, 0) == -1)
perror_with_name ("Couldn't write registers");
}