af5ca30dc3
* hppabsd-tdep.c (hppabsd_supply_gregset): Move to ...
(hppabsd_gregset): Move to ...
(hppabsd_regset_from_core_section): Rename
hppaobsd_regset_from_core_section and move to ...
(hppabsd_find_global_pointer): Update comment.
(hppabsd_init_abi): Make global. Do not register
hppabsd_regset_from_core_section.
(hppabsd_core_osabi_sniffer): Rename hppaobsd_core_osabi_sniffer and
move to ...
(_initialize_hppabsd_tdep): Move to ...
* hppaobsd-tdep.c: ... here. New file.
* hppnbsd-tdep.c: New file.
* hppnbsd-nat.c: New file.
* Makefile.in (ALL_TARGET_OBS): Add hppanbsd-tdep.o and hppaobsd-tdep.o.
(ALLDEPFILES): Add hppabsd-nat.c and hppabsd-tdep.c.
(hppabsd-nat.o, hppabsd-tdep.o): New dependencies.
(hppabsd-tdep.o, hppaobsd-tdep.o): Update dependencies.
* configure.host (hppa*-*-netbsd*): New entry.
* configure.tgt (hppa*-*-netbsd*): New entry.
(hppa*-*-openbsd*): Update.
* NEWS (New native configuration): Mention NetBSD/hppa.
(New targets): Mention NetBSD/hppa.
246 lines
7.9 KiB
C
246 lines
7.9 KiB
C
/* Native-dependent code for NetBSD/hppa.
|
||
|
||
Copyright (C) 2008 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., 51 Franklin Street, Fifth Floor,
|
||
Boston, MA 02110-1301, USA. */
|
||
|
||
#include "defs.h"
|
||
#include "inferior.h"
|
||
#include "regcache.h"
|
||
|
||
#include <sys/types.h>
|
||
#include <sys/ptrace.h>
|
||
#include <machine/reg.h>
|
||
|
||
#include "hppa-tdep.h"
|
||
#include "inf-ptrace.h"
|
||
|
||
#include "nbsd-nat.h"
|
||
|
||
static int
|
||
hppanbsd_gregset_supplies_p (int regnum)
|
||
{
|
||
return ((regnum >= HPPA_R0_REGNUM && regnum <= HPPA_R31_REGNUM) ||
|
||
(regnum >= HPPA_SAR_REGNUM && regnum <= HPPA_PCSQ_TAIL_REGNUM) ||
|
||
regnum == HPPA_IPSW_REGNUM ||
|
||
(regnum >= HPPA_SR4_REGNUM && regnum <= HPPA_SR4_REGNUM + 5));
|
||
}
|
||
|
||
static int
|
||
hppanbsd_fpregset_supplies_p (int regnum)
|
||
{
|
||
return (regnum >= HPPA_FP0_REGNUM && regnum <= HPPA_FP31R_REGNUM);
|
||
}
|
||
|
||
/* Supply the general-purpose registers stored in GREGS to REGCACHE. */
|
||
|
||
static void
|
||
hppanbsd_supply_gregset (struct regcache *regcache, const void *gregs)
|
||
{
|
||
const char *regs = gregs;
|
||
const int *r = gregs;
|
||
int regnum;
|
||
|
||
for (regnum = HPPA_R1_REGNUM; regnum <= HPPA_R31_REGNUM; regnum++)
|
||
regcache_raw_supply (regcache, regnum, regs + regnum * 4);
|
||
|
||
regcache_raw_supply (regcache, HPPA_SAR_REGNUM, regs + 32 * 4);
|
||
regcache_raw_supply (regcache, HPPA_PCSQ_HEAD_REGNUM, regs + 33 * 4);
|
||
regcache_raw_supply (regcache, HPPA_PCSQ_TAIL_REGNUM, regs + 34 * 4);
|
||
regcache_raw_supply (regcache, HPPA_PCOQ_HEAD_REGNUM, regs + 35 * 4);
|
||
regcache_raw_supply (regcache, HPPA_PCOQ_TAIL_REGNUM, regs + 36 * 4);
|
||
regcache_raw_supply (regcache, HPPA_IPSW_REGNUM, regs);
|
||
regcache_raw_supply (regcache, HPPA_SR4_REGNUM, regs + 41 * 4);
|
||
regcache_raw_supply (regcache, HPPA_SR4_REGNUM + 1, regs + 37 * 4);
|
||
regcache_raw_supply (regcache, HPPA_SR4_REGNUM + 2, regs + 38 * 4);
|
||
regcache_raw_supply (regcache, HPPA_SR4_REGNUM + 3, regs + 39 * 4);
|
||
regcache_raw_supply (regcache, HPPA_SR4_REGNUM + 4, regs + 40 * 4);
|
||
}
|
||
|
||
/* Supply the floating-point registers stored in FPREGS to REGCACHE. */
|
||
|
||
static void
|
||
hppanbsd_supply_fpregset (struct regcache *regcache, const void *fpregs)
|
||
{
|
||
const char *regs = fpregs;
|
||
int regnum;
|
||
|
||
for (regnum = HPPA_FP0_REGNUM; regnum <= HPPA_FP31R_REGNUM;
|
||
regnum += 2, regs += 8)
|
||
{
|
||
regcache_raw_supply (regcache, regnum, regs);
|
||
regcache_raw_supply (regcache, regnum + 1, regs + 4);
|
||
}
|
||
}
|
||
|
||
/* Collect the general-purpose registers from REGCACHE and store them
|
||
in GREGS. */
|
||
|
||
static void
|
||
hppanbsd_collect_gregset (const struct regcache *regcache,
|
||
void *gregs, int regnum)
|
||
{
|
||
char *regs = gregs;
|
||
int *r = gregs;
|
||
int i;
|
||
|
||
for (i = HPPA_R1_REGNUM; i <= HPPA_R31_REGNUM; i++)
|
||
{
|
||
if (regnum == -1 || regnum == i)
|
||
regcache_raw_collect (regcache, i, regs + i * 4);
|
||
}
|
||
|
||
if (regnum == -1 || regnum == HPPA_IPSW_REGNUM)
|
||
regcache_raw_collect (regcache, HPPA_IPSW_REGNUM, regs);
|
||
if (regnum == -1 || regnum == HPPA_PCOQ_HEAD_REGNUM)
|
||
regcache_raw_collect (regcache, HPPA_PCOQ_HEAD_REGNUM, regs + 35 * 4);
|
||
if (regnum == -1 || regnum == HPPA_PCOQ_TAIL_REGNUM)
|
||
regcache_raw_collect (regcache, HPPA_PCOQ_TAIL_REGNUM, regs + 36 * 4);
|
||
|
||
if (regnum == -1 || regnum == HPPA_SAR_REGNUM)
|
||
regcache_raw_collect (regcache, HPPA_SAR_REGNUM, regs + 32 * 4);
|
||
if (regnum == -1 || regnum == HPPA_PCSQ_HEAD_REGNUM)
|
||
regcache_raw_collect (regcache, HPPA_PCSQ_HEAD_REGNUM, regs + 33 * 4);
|
||
if (regnum == -1 || regnum == HPPA_PCSQ_TAIL_REGNUM)
|
||
regcache_raw_collect (regcache, HPPA_PCSQ_TAIL_REGNUM, regs + 34 * 4);
|
||
if (regnum == -1 || regnum == HPPA_PCOQ_HEAD_REGNUM)
|
||
regcache_raw_collect (regcache, HPPA_PCOQ_HEAD_REGNUM, regs + 35 * 4);
|
||
if (regnum == -1 || regnum == HPPA_PCOQ_TAIL_REGNUM)
|
||
regcache_raw_collect (regcache, HPPA_PCOQ_TAIL_REGNUM, regs + 36 * 4);
|
||
if (regnum == -1 || regnum == HPPA_IPSW_REGNUM)
|
||
regcache_raw_collect (regcache, HPPA_IPSW_REGNUM, regs);
|
||
if (regnum == -1 || regnum == HPPA_SR4_REGNUM)
|
||
regcache_raw_collect (regcache, HPPA_SR4_REGNUM, regs + 41 * 4);
|
||
if (regnum == -1 || regnum == HPPA_SR4_REGNUM + 1)
|
||
regcache_raw_collect (regcache, HPPA_SR4_REGNUM + 1, regs + 37 * 4);
|
||
if (regnum == -1 || regnum == HPPA_SR4_REGNUM + 2)
|
||
regcache_raw_collect (regcache, HPPA_SR4_REGNUM + 2, regs + 38 * 4);
|
||
if (regnum == -1 || regnum == HPPA_SR4_REGNUM + 3)
|
||
regcache_raw_collect (regcache, HPPA_SR4_REGNUM + 3, regs + 39 * 4);
|
||
if (regnum == -1 || regnum == HPPA_SR4_REGNUM + 4)
|
||
regcache_raw_collect (regcache, HPPA_SR4_REGNUM + 4, regs + 40 * 4);
|
||
}
|
||
|
||
/* Collect the floating-point registers from REGCACHE and store them
|
||
in FPREGS. */
|
||
|
||
static void
|
||
hppanbsd_collect_fpregset (struct regcache *regcache,
|
||
void *fpregs, int regnum)
|
||
{
|
||
char *regs = fpregs;
|
||
int i;
|
||
|
||
for (i = HPPA_FP0_REGNUM; i <= HPPA_FP31R_REGNUM; i += 2, regs += 8)
|
||
{
|
||
if (regnum == -1 || regnum == i || regnum == i + 1)
|
||
{
|
||
regcache_raw_collect (regcache, i, regs);
|
||
regcache_raw_collect (regcache, i + 1, regs + 4);
|
||
}
|
||
}
|
||
}
|
||
|
||
|
||
/* Fetch register REGNUM from the inferior. If REGNUM is -1, do this
|
||
for all registers (including the floating-point registers). */
|
||
|
||
static void
|
||
hppanbsd_fetch_registers (struct regcache *regcache, int regnum)
|
||
|
||
{
|
||
if (regnum == -1 || hppanbsd_gregset_supplies_p (regnum))
|
||
{
|
||
struct reg regs;
|
||
|
||
if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
|
||
(PTRACE_TYPE_ARG3) ®s, 0) == -1)
|
||
perror_with_name (_("Couldn't get registers"));
|
||
|
||
hppanbsd_supply_gregset (regcache, ®s);
|
||
}
|
||
|
||
if (regnum == -1 || hppanbsd_fpregset_supplies_p (regnum))
|
||
{
|
||
struct fpreg fpregs;
|
||
|
||
if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid),
|
||
(PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
|
||
perror_with_name (_("Couldn't get floating point status"));
|
||
|
||
hppanbsd_supply_fpregset (regcache, &fpregs);
|
||
}
|
||
}
|
||
|
||
/* Store register REGNUM back into the inferior. If REGNUM is -1, do
|
||
this for all registers (including the floating-point registers). */
|
||
|
||
static void
|
||
hppanbsd_store_registers (struct regcache *regcache, int regnum)
|
||
{
|
||
if (regnum == -1 || hppanbsd_gregset_supplies_p (regnum))
|
||
{
|
||
struct reg regs;
|
||
|
||
if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
|
||
(PTRACE_TYPE_ARG3) ®s, 0) == -1)
|
||
perror_with_name (_("Couldn't get registers"));
|
||
|
||
hppanbsd_collect_gregset (regcache, ®s, regnum);
|
||
|
||
if (ptrace (PT_SETREGS, PIDGET (inferior_ptid),
|
||
(PTRACE_TYPE_ARG3) ®s, 0) == -1)
|
||
perror_with_name (_("Couldn't write registers"));
|
||
}
|
||
|
||
if (regnum == -1 || hppanbsd_fpregset_supplies_p (regnum))
|
||
{
|
||
struct fpreg fpregs;
|
||
|
||
if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid),
|
||
(PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
|
||
perror_with_name (_("Couldn't get floating point status"));
|
||
|
||
hppanbsd_collect_fpregset (regcache, &fpregs, regnum);
|
||
|
||
if (ptrace (PT_SETFPREGS, PIDGET (inferior_ptid),
|
||
(PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
|
||
perror_with_name (_("Couldn't write floating point status"));
|
||
}
|
||
}
|
||
|
||
|
||
/* Provide a prototype to silence -Wmissing-prototypes. */
|
||
void _initialize_hppanbsd_nat (void);
|
||
|
||
void
|
||
_initialize_hppanbsd_nat (void)
|
||
{
|
||
struct target_ops *t;
|
||
|
||
/* Add some extra features to the ptrace target. */
|
||
t = inf_ptrace_target ();
|
||
|
||
t->to_fetch_registers = hppanbsd_fetch_registers;
|
||
t->to_store_registers = hppanbsd_store_registers;
|
||
|
||
t->to_pid_to_exec_file = nbsd_pid_to_exec_file;
|
||
|
||
add_target (t);
|
||
}
|