/* Native-dependent code for HP PA-RISC BSD's.
- Copyright 2004 Free Software Foundation, Inc.
+ Copyright (C) 2004-2013 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
+ 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,
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. */
+ 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"
static int
hppabsd_gregset_supplies_p (int regnum)
{
- return (regnum >= HPPA_R0_REGNUM && regnum <= HPPA_PCOQ_TAIL_REGNUM);
+ return (regnum >= HPPA_R0_REGNUM && regnum <= HPPA_CR27_REGNUM);
+}
+
+static int
+hppabsd_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
hppabsd_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);
- 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);
+ 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
+hppabsd_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
regcache_raw_collect (regcache, i, regs + i * 4);
}
- 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);
+ 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
+hppabsd_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);
+ }
+ }
}
\f
/* Fetch register REGNUM from the inferior. If REGNUM is -1, do this
for all registers (including the floating-point registers). */
-void
-fetch_inferior_registers (int regnum)
+static void
+hppabsd_fetch_registers (struct target_ops *ops,
+ struct regcache *regcache, int regnum)
{
- struct regcache *regcache = current_regcache;
-
if (regnum == -1 || hppabsd_gregset_supplies_p (regnum))
{
struct reg regs;
- if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
+ if (ptrace (PT_GETREGS, ptid_get_pid (inferior_ptid),
(PTRACE_TYPE_ARG3) ®s, 0) == -1)
perror_with_name (_("Couldn't get registers"));
hppabsd_supply_gregset (regcache, ®s);
}
+
+ if (regnum == -1 || hppabsd_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"));
+
+ hppabsd_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). */
-void
-store_inferior_registers (int regnum)
+static void
+hppabsd_store_registers (struct target_ops *ops,
+ struct regcache *regcache, int regnum)
{
if (regnum == -1 || hppabsd_gregset_supplies_p (regnum))
{
struct reg regs;
- if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
+ if (ptrace (PT_GETREGS, ptid_get_pid (inferior_ptid),
(PTRACE_TYPE_ARG3) ®s, 0) == -1)
perror_with_name (_("Couldn't get registers"));
- hppabsd_collect_gregset (current_regcache, ®s, regnum);
+ hppabsd_collect_gregset (regcache, ®s, regnum);
- if (ptrace (PT_SETREGS, PIDGET (inferior_ptid),
+ if (ptrace (PT_SETREGS, ptid_get_pid (inferior_ptid),
(PTRACE_TYPE_ARG3) ®s, 0) == -1)
perror_with_name (_("Couldn't write registers"));
}
+
+ if (regnum == -1 || hppabsd_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"));
+
+ hppabsd_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_hppabsd_nat (void);
+
+void
+_initialize_hppabsd_nat (void)
+{
+ struct target_ops *t;
+
+ /* Add in local overrides. */
+ t = inf_ptrace_target ();
+ t->to_fetch_registers = hppabsd_fetch_registers;
+ t->to_store_registers = hppabsd_store_registers;
+ add_target (t);
}
projects / deliverable / binutils-gdb.git / blobdiff