-/* HP/UX interface for HP 300's, for GDB when running under Unix.
- Copyright (C) 1986, 1987, 1989, 1991 Free Software Foundation, Inc.
-
-This file is part of GDB.
+/* HP/UX native interface for HP 300's, for GDB when running under Unix.
+ Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1994, 1996, 1999, 2000,
+ 2001 Free Software Foundation, Inc.
-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 file is part of GDB.
-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.
+ 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.
-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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+ 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 "frame.h"
#include "inferior.h"
+#include "regcache.h"
/* Defining this means some system include files define some extra stuff. */
#define WOPR
#include <sys/param.h>
-#include <sys/dir.h>
#include <signal.h>
#include <sys/user.h>
-#include <sys/ioctl.h>
#include <fcntl.h>
#include <sys/ptrace.h>
#include <sys/reg.h>
#include <sys/trap.h>
-#include "gdbcore.h"
-
#include <sys/file.h>
-#include <sys/stat.h>
+
+static void fetch_inferior_register (int, unsigned int);
+
+static void store_inferior_register_1 (int, unsigned int, int);
+
+static void store_inferior_register (int, unsigned int);
+
+/* Get kernel_u_addr using HPUX-style nlist(). */
+CORE_ADDR kernel_u_addr;
+
+struct hpnlist
+ {
+ char *n_name;
+ long n_value;
+ unsigned char n_type;
+ unsigned char n_length;
+ short n_almod;
+ short n_unused;
+ };
+static struct hpnlist nl[] =
+{
+ {"_u", -1,},
+ {(char *) 0,}};
+
+/* read the value of the u area from the hp-ux kernel */
+void
+_initialize_hp300ux_nat (void)
+{
+#ifndef HPUX_VERSION_5
+ nlist ("/hp-ux", nl);
+ kernel_u_addr = nl[0].n_value;
+#else /* HPUX version 5. */
+ kernel_u_addr = (CORE_ADDR) 0x0097900;
+#endif
+}
#define INFERIOR_AR0(u) \
((ptrace \
- (PT_RUAREA, inferior_pid, \
- (PTRACE_ARG3_TYPE) ((char *) &u.u_ar0 - (char *) &u), 0)) \
- - KERNEL_U_ADDR)
+ (PT_RUAREA, PIDGET (inferior_ptid), \
+ (PTRACE_ARG3_TYPE) ((char *) &u.u_ar0 - (char *) &u), 0, 0)) \
+ - kernel_u_addr)
static void
-fetch_inferior_register (regno, regaddr)
- register int regno;
- register unsigned int regaddr;
+fetch_inferior_register (register int regno, register unsigned int regaddr)
{
#ifndef HPUX_VERSION_5
if (regno == PS_REGNUM)
{
- union { int i; short s[2]; } ps_val;
+ union
+ {
+ int i;
+ short s[2];
+ }
+ ps_val;
int regval;
-
- ps_val.i = (ptrace (PT_RUAREA, inferior_pid, (PTRACE_ARG3_TYPE) regaddr,
- 0));
+
+ ps_val.i = (ptrace (PT_RUAREA, PIDGET (inferior_ptid),
+ (PTRACE_ARG3_TYPE) regaddr, 0, 0));
regval = ps_val.s[0];
- supply_register (regno, ®val);
+ supply_register (regno, (char *) ®val);
}
else
#endif /* not HPUX_VERSION_5 */
{
char buf[MAX_REGISTER_RAW_SIZE];
register int i;
-
+
for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof (int))
{
- *(int *) &buf[i] = ptrace (PT_RUAREA, inferior_pid,
- (PTRACE_ARG3_TYPE) regaddr, 0);
+ *(int *) &buf[i] = ptrace (PT_RUAREA, PIDGET (inferior_ptid),
+ (PTRACE_ARG3_TYPE) regaddr, 0, 0);
regaddr += sizeof (int);
}
supply_register (regno, buf);
}
static void
-store_inferior_register_1 (regno, regaddr, value)
- int regno;
- unsigned int regaddr;
- int value;
+store_inferior_register_1 (int regno, unsigned int regaddr, int val)
{
errno = 0;
- ptrace (PT_WUAREA, inferior_pid, (PTRACE_ARG3_TYPE) regaddr, value);
+ ptrace (PT_WUAREA, PIDGET (inferior_ptid), (PTRACE_ARG3_TYPE) regaddr,
+ val, 0);
#if 0
/* HP-UX randomly sets errno to non-zero for regno == 25.
However, the value is correctly written, so ignore errno. */
if (errno != 0)
{
char string_buf[64];
-
+
sprintf (string_buf, "writing register number %d", regno);
perror_with_name (string_buf);
}
}
static void
-store_inferior_register (regno, regaddr)
- register int regno;
- register unsigned int regaddr;
+store_inferior_register (register int regno, register unsigned int regaddr)
{
#ifndef HPUX_VERSION_5
if (regno == PS_REGNUM)
{
- union { int i; short s[2]; } ps_val;
-
- ps_val.i = (ptrace (PT_RUAREA, inferior_pid, (PTRACE_ARG3_TYPE) regaddr,
- 0));
+ union
+ {
+ int i;
+ short s[2];
+ }
+ ps_val;
+
+ ps_val.i = (ptrace (PT_RUAREA, PIDGET (inferior_ptid),
+ (PTRACE_ARG3_TYPE) regaddr, 0, 0));
ps_val.s[0] = (read_register (regno));
store_inferior_register_1 (regno, regaddr, ps_val.i);
}
else
#endif /* not HPUX_VERSION_5 */
{
- char buf[MAX_REGISTER_RAW_SIZE];
register int i;
- extern char registers[];
-
+
for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof (int))
{
store_inferior_register_1
}
void
-fetch_inferior_registers (regno)
- int regno;
+fetch_inferior_registers (int regno)
{
struct user u;
register unsigned int ar0_offset;
-
+
ar0_offset = (INFERIOR_AR0 (u));
if (regno == -1)
{
Otherwise, REGNO specifies which register (so we can save time). */
void
-store_inferior_registers (regno)
- register int regno;
+store_inferior_registers (register int regno)
{
struct user u;
register unsigned int ar0_offset;
- extern char registers[];
if (regno >= FP0_REGNUM)
{
store_inferior_register (regno, (FP_REGISTER_ADDR (u, regno)));
return;
}
-
+
ar0_offset = (INFERIOR_AR0 (u));
if (regno >= 0)
{
return;
}
-\f
-/* Take the register values out of a core file and store
- them where `read_register' will find them. */
-
-#ifdef HPUX_VERSION_5
-#define e_PS e_regs[PS]
-#define e_PC e_regs[PC]
-#endif /* HPUX_VERSION_5 */
-
-void
-fetch_core_registers (core_reg_sect, core_reg_size, which, reg_addr)
- char *core_reg_sect;
- int core_reg_size;
- int which;
- unsigned int reg_addr; /* Unused in this version */
+int
+getpagesize (void)
{
- int val, regno;
- struct user u;
- struct exception_stack *pes = (struct exception_stack *) core_reg_sect;
-#define es (*pes)
- char *buf;
-
- if (which == 0) {
- if (core_reg_size <
- ((char *) &es.e_offset - (char *) &es.e_regs[R0]))
- error ("Not enough registers in core file");
- for (regno = 0; (regno < PS_REGNUM); regno++)
- supply_register (regno, &es.e_regs[regno + R0]);
- val = es.e_PS;
- supply_register (regno++, &val);
- supply_register (regno++, &es.e_PC);
-
- } else if (which == 2) {
-
- /* FIXME: This may not work if the float regs and control regs are
- discontinuous. */
- for (regno = FP0_REGNUM, buf = core_reg_sect;
- (regno < NUM_REGS);
- buf += REGISTER_RAW_SIZE (regno), regno++)
- {
- supply_register (regno, buf);
- }
- }
+ return 4096;
}
projects / binutils.git / blobdiff