/* Functions specific to running GDB native on HPPA running GNU/Linux.
- Copyright 2004 Free Software Foundation, Inc.
+ Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010
+ 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 "gdbcore.h"
#include "regcache.h"
#include "gdb_string.h"
#include "inferior.h"
+#include "target.h"
+#include "linux-nat.h"
#include <sys/procfs.h>
#include <sys/ptrace.h>
#include <linux/version.h>
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,43)
-#include <asm/offset.h>
-#else
-#include <asm/offsets.h>
-#endif
+#include <asm/ptrace.h>
+#include "hppa-linux-offsets.h"
#include "hppa-tdep.h"
PT_FR31, PT_FR31 + 4,
};
-CORE_ADDR
-register_addr (int regno, CORE_ADDR blockend)
+static CORE_ADDR
+hppa_linux_register_addr (int regno, CORE_ADDR blockend)
{
CORE_ADDR addr;
- if ((unsigned) regno >= NUM_REGS)
- error ("Invalid register number %d.", regno);
+ if ((unsigned) regno >= ARRAY_SIZE (u_offsets))
+ error (_("Invalid register number %d."), regno);
if (u_offsets[regno] == -1)
addr = 0;
/* Fetch one register. */
static void
-fetch_register (int regno)
+fetch_register (struct regcache *regcache, int regno)
{
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
int tid;
int val;
- if (CANNOT_FETCH_REGISTER (regno))
+ if (gdbarch_cannot_fetch_register (gdbarch, regno))
{
- regcache_raw_supply (current_regcache, regno, NULL);
+ regcache_raw_supply (regcache, regno, NULL);
return;
}
tid = PIDGET (inferior_ptid); /* Not a threaded program. */
errno = 0;
- val = ptrace (PTRACE_PEEKUSER, tid, register_addr (regno, 0), 0);
+ val = ptrace (PTRACE_PEEKUSER, tid, hppa_linux_register_addr (regno, 0), 0);
if (errno != 0)
- error ("Couldn't read register %s (#%d): %s.", REGISTER_NAME (regno),
+ error (_("Couldn't read register %s (#%d): %s."),
+ gdbarch_register_name (gdbarch, regno),
regno, safe_strerror (errno));
- regcache_raw_supply (current_regcache, regno, &val);
+ regcache_raw_supply (regcache, regno, &val);
}
/* Store one register. */
static void
-store_register (int regno)
+store_register (const struct regcache *regcache, int regno)
{
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
int tid;
int val;
- if (CANNOT_STORE_REGISTER (regno))
+ if (gdbarch_cannot_store_register (gdbarch, regno))
return;
/* GNU/Linux LWP ID's are process ID's. */
tid = PIDGET (inferior_ptid); /* Not a threaded program. */
errno = 0;
- regcache_raw_collect (current_regcache, regno, &val);
- ptrace (PTRACE_POKEUSER, tid, register_addr (regno, 0), val);
+ regcache_raw_collect (regcache, regno, &val);
+ ptrace (PTRACE_POKEUSER, tid, hppa_linux_register_addr (regno, 0), val);
if (errno != 0)
- error ("Couldn't write register %s (#%d): %s.", REGISTER_NAME (regno),
+ error (_("Couldn't write register %s (#%d): %s."),
+ gdbarch_register_name (gdbarch, regno),
regno, safe_strerror (errno));
}
regno == -1, otherwise fetch all general registers or all floating
point registers depending upon the value of regno. */
-void
-fetch_inferior_registers (int regno)
+static void
+hppa_linux_fetch_inferior_registers (struct target_ops *ops,
+ struct regcache *regcache, int regno)
{
if (-1 == regno)
{
- for (regno = 0; regno < NUM_REGS; regno++)
- fetch_register (regno);
+ for (regno = 0;
+ regno < gdbarch_num_regs (get_regcache_arch (regcache));
+ regno++)
+ fetch_register (regcache, regno);
}
else
{
- fetch_register (regno);
+ fetch_register (regcache, regno);
}
}
regno == -1, otherwise store all general registers or all floating
point registers depending upon the value of regno. */
-void
-store_inferior_registers (int regno)
+static void
+hppa_linux_store_inferior_registers (struct target_ops *ops,
+ struct regcache *regcache, int regno)
{
if (-1 == regno)
{
- for (regno = 0; regno < NUM_REGS; regno++)
- store_register (regno);
+ for (regno = 0;
+ regno < gdbarch_num_regs (get_regcache_arch (regcache));
+ regno++)
+ store_register (regcache, regno);
}
else
{
- store_register (regno);
+ store_register (regcache, regno);
}
}
in *gregsetp. */
void
-supply_gregset (gdb_gregset_t *gregsetp)
+supply_gregset (struct regcache *regcache, const gdb_gregset_t *gregsetp)
{
int i;
- greg_t *regp = (elf_greg_t *) gregsetp;
+ const greg_t *regp = (const elf_greg_t *) gregsetp;
for (i = 0; i < sizeof (greg_map) / sizeof (greg_map[0]); i++, regp++)
{
int regno = greg_map[i];
- regcache_raw_supply (current_regcache, regno, regp);
+ regcache_raw_supply (regcache, regno, regp);
}
}
If regno is -1, do this for all registers. */
void
-fill_gregset (gdb_gregset_t *gregsetp, int regno)
+fill_gregset (const struct regcache *regcache,
+ gdb_gregset_t *gregsetp, int regno)
{
int i;
if (regno == -1 || regno == mregno)
{
- regcache_collect(mregno, &(*gregsetp)[i]);
+ regcache_raw_collect(regcache, mregno, &(*gregsetp)[i]);
}
}
}
idea of the current floating point register values. */
void
-supply_fpregset (gdb_fpregset_t *fpregsetp)
+supply_fpregset (struct regcache *regcache, const gdb_fpregset_t *fpregsetp)
{
int regi;
- char *from;
+ const char *from;
for (regi = 0; regi <= 31; regi++)
{
- from = (char *) &((*fpregsetp)[regi]);
- regcache_raw_supply (current_regcache, 2*regi + HPPA_FP0_REGNUM, from);
- regcache_raw_supply (current_regcache, 2*regi + HPPA_FP0_REGNUM + 1,
- from + 4);
+ from = (const char *) &((*fpregsetp)[regi]);
+ regcache_raw_supply (regcache, 2*regi + HPPA_FP0_REGNUM, from);
+ regcache_raw_supply (regcache, 2*regi + HPPA_FP0_REGNUM + 1, from + 4);
}
}
them all. */
void
-fill_fpregset (gdb_fpregset_t *fpregsetp, int regno)
+fill_fpregset (const struct regcache *regcache,
+ gdb_fpregset_t *fpregsetp, int regno)
{
int i;
char *to = (char *) &((*fpregsetp)[(i - HPPA_FP0_REGNUM) / 2]);
if ((i - HPPA_FP0_REGNUM) & 1)
to += 4;
- regcache_collect (i, to);
+ regcache_raw_collect (regcache, i, to);
}
}
+
+void _initialize_hppa_linux_nat (void);
+
+void
+_initialize_hppa_linux_nat (void)
+{
+ struct target_ops *t;
+
+ /* Fill in the generic GNU/Linux methods. */
+ t = linux_target ();
+
+ /* Add our register access methods. */
+ t->to_fetch_registers = hppa_linux_fetch_inferior_registers;
+ t->to_store_registers = hppa_linux_store_inferior_registers;
+
+ /* Register the target. */
+ linux_nat_add_target (t);
+}
projects / deliverable / binutils-gdb.git / blobdiff