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binutils-gdb/gdb/hppa-obsd-nat.c
Joel Brobecker 61baf725ec update copyright year range in GDB files 
This applies the second part of GDB's End of Year Procedure, which
updates the copyright year range in all of GDB's files.

gdb/ChangeLog:

        Update copyright year range in all GDB files.
2017-01-01 10:52:34 +04:00

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/* Native-dependent code for OpenBSD/hppa.
Copyright (C) 2004-2017 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 "defs.h"
#include "inferior.h"
#include "regcache.h"
#include "target.h"
#include <sys/types.h>
#include <sys/ptrace.h>
#include <machine/reg.h>
#include "hppa-tdep.h"
#include "inf-ptrace.h"
#include "obsd-nat.h"
static int
hppaobsd_gregset_supplies_p (int regnum)
{
return (regnum >= HPPA_R0_REGNUM && regnum <= HPPA_CR27_REGNUM);
}
static int
hppaobsd_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
hppaobsd_supply_gregset (struct regcache *regcache, const void *gregs)
{
gdb_byte zero[4] = { 0 };
const char *regs = gregs;
int regnum;
regcache_raw_supply (regcache, HPPA_R0_REGNUM, &zero);
for (regnum = HPPA_R1_REGNUM; regnum <= HPPA_R31_REGNUM; regnum++)
regcache_raw_supply (regcache, regnum, regs + regnum * 4);
if (sizeof(struct reg) >= 46 * 4)
{
regcache_raw_supply (regcache, HPPA_IPSW_REGNUM, regs);
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_SR0_REGNUM, regs + 37 * 4);
regcache_raw_supply (regcache, HPPA_SR1_REGNUM, regs + 38 * 4);
regcache_raw_supply (regcache, HPPA_SR2_REGNUM, regs + 39 * 4);
regcache_raw_supply (regcache, HPPA_SR3_REGNUM, regs + 40 * 4);
regcache_raw_supply (regcache, HPPA_SR4_REGNUM, regs + 41 * 4);
regcache_raw_supply (regcache, HPPA_SR5_REGNUM, regs + 42 * 4);
regcache_raw_supply (regcache, HPPA_SR6_REGNUM, regs + 43 * 4);
regcache_raw_supply (regcache, HPPA_SR7_REGNUM, regs + 44 * 4);
regcache_raw_supply (regcache, HPPA_CR26_REGNUM, regs + 45 * 4);
regcache_raw_supply (regcache, HPPA_CR27_REGNUM, regs + 46 * 4);
}
else
{
regcache_raw_supply (regcache, HPPA_SAR_REGNUM, regs);
regcache_raw_supply (regcache, HPPA_PCOQ_HEAD_REGNUM, regs + 32 * 4);
regcache_raw_supply (regcache, HPPA_PCOQ_TAIL_REGNUM, regs + 33 * 4);
}
}
/* Supply the floating-point registers stored in FPREGS to REGCACHE. */
static void
hppaobsd_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
hppaobsd_collect_gregset (const struct regcache *regcache,
void *gregs, int regnum)
{
char *regs = 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 (sizeof(struct reg) >= 46 * 4)
{
if (regnum == -1 || regnum == HPPA_IPSW_REGNUM)
regcache_raw_collect (regcache, HPPA_IPSW_REGNUM, regs);
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_SR0_REGNUM)
regcache_raw_collect (regcache, HPPA_SR0_REGNUM, regs + 37 * 4);
if (regnum == -1 || regnum == HPPA_SR1_REGNUM)
regcache_raw_collect (regcache, HPPA_SR1_REGNUM, regs + 38 * 4);
if (regnum == -1 || regnum == HPPA_SR2_REGNUM)
regcache_raw_collect (regcache, HPPA_SR2_REGNUM, regs + 39 * 4);
if (regnum == -1 || regnum == HPPA_SR3_REGNUM)
regcache_raw_collect (regcache, HPPA_SR3_REGNUM, regs + 40 * 4);
if (regnum == -1 || regnum == HPPA_SR4_REGNUM)
regcache_raw_collect (regcache, HPPA_SR4_REGNUM, regs + 41 * 4);
if (regnum == -1 || regnum == HPPA_SR5_REGNUM)
regcache_raw_collect (regcache, HPPA_SR5_REGNUM, regs + 42 * 4);
if (regnum == -1 || regnum == HPPA_SR6_REGNUM)
regcache_raw_collect (regcache, HPPA_SR6_REGNUM, regs + 43 * 4);
if (regnum == -1 || regnum == HPPA_SR7_REGNUM)
regcache_raw_collect (regcache, HPPA_SR7_REGNUM, regs + 44 * 4);
if (regnum == -1 || regnum == HPPA_CR26_REGNUM)
regcache_raw_collect (regcache, HPPA_CR26_REGNUM, regs + 45 * 4);
if (regnum == -1 || regnum == HPPA_CR27_REGNUM)
regcache_raw_collect (regcache, HPPA_CR27_REGNUM, regs + 46 * 4);
}
else
{
if (regnum == -1 || regnum == HPPA_SAR_REGNUM)
regcache_raw_collect (regcache, HPPA_SAR_REGNUM, regs);
if (regnum == -1 || regnum == HPPA_PCOQ_HEAD_REGNUM)
regcache_raw_collect (regcache, HPPA_PCOQ_HEAD_REGNUM, regs + 32 * 4);
if (regnum == -1 || regnum == HPPA_PCOQ_TAIL_REGNUM)
regcache_raw_collect (regcache, HPPA_PCOQ_TAIL_REGNUM, regs + 33 * 4);
}
}
/* Collect the floating-point registers from REGCACHE and store them
in FPREGS. */
static void
hppaobsd_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
hppaobsd_fetch_registers (struct target_ops *ops,
struct regcache *regcache, int regnum)
{
if (regnum == -1 || hppaobsd_gregset_supplies_p (regnum))
{
struct reg regs;
if (ptrace (PT_GETREGS, ptid_get_pid (inferior_ptid),
(PTRACE_TYPE_ARG3) &regs, 0) == -1)
perror_with_name (_("Couldn't get registers"));
hppaobsd_supply_gregset (regcache, &regs);
}
if (regnum == -1 || hppaobsd_fpregset_supplies_p (regnum))
{
struct fpreg fpregs;
if (ptrace (PT_GETFPREGS, ptid_get_pid (inferior_ptid),
(PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
perror_with_name (_("Couldn't get floating point status"));
hppaobsd_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
hppaobsd_store_registers (struct target_ops *ops,
struct regcache *regcache, int regnum)
{
if (regnum == -1 || hppaobsd_gregset_supplies_p (regnum))
{
struct reg regs;
if (ptrace (PT_GETREGS, ptid_get_pid (inferior_ptid),
(PTRACE_TYPE_ARG3) &regs, 0) == -1)
perror_with_name (_("Couldn't get registers"));
hppaobsd_collect_gregset (regcache, &regs, regnum);
if (ptrace (PT_SETREGS, ptid_get_pid (inferior_ptid),
(PTRACE_TYPE_ARG3) &regs, 0) == -1)
perror_with_name (_("Couldn't write registers"));
}
if (regnum == -1 || hppaobsd_fpregset_supplies_p (regnum))
{
struct fpreg fpregs;
if (ptrace (PT_GETFPREGS, ptid_get_pid (inferior_ptid),
(PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
perror_with_name (_("Couldn't get floating point status"));
hppaobsd_collect_fpregset (regcache, &fpregs, regnum);
if (ptrace (PT_SETFPREGS, ptid_get_pid (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_hppaobsd_nat (void);
void
_initialize_hppaobsd_nat (void)
{
struct target_ops *t;
t = inf_ptrace_target ();
t->to_fetch_registers = hppaobsd_fetch_registers;
t->to_store_registers = hppaobsd_store_registers;
obsd_add_target (t);
}
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