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[/] [openrisc/] [trunk/] [gnu-old/] [gdb-6.8/] [gdb/] [sparc64fbsd-nat.c] - Diff between revs 827 and 840

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/* Native-dependent code for FreeBSD/sparc64.
/* Native-dependent code for FreeBSD/sparc64.
 
 
   Copyright (C) 2003, 2004, 2005, 2007, 2008 Free Software Foundation, Inc.
   Copyright (C) 2003, 2004, 2005, 2007, 2008 Free Software Foundation, Inc.
 
 
   This file is part of GDB.
   This file is part of GDB.
 
 
   This program is free software; you can redistribute it and/or modify
   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
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.
   (at your option) any later version.
 
 
   This program is distributed in the hope that it will be useful,
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
   GNU General Public License for more details.
 
 
   You should have received a copy of the GNU General Public License
   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 
#include "defs.h"
#include "defs.h"
#include "regcache.h"
#include "regcache.h"
#include "target.h"
#include "target.h"
 
 
#include "fbsd-nat.h"
#include "fbsd-nat.h"
#include "sparc64-tdep.h"
#include "sparc64-tdep.h"
#include "sparc-nat.h"
#include "sparc-nat.h"


 
 
/* Support for debugging kernel virtual memory images.  */
/* Support for debugging kernel virtual memory images.  */
 
 
#include <sys/types.h>
#include <sys/types.h>
#include <machine/pcb.h>
#include <machine/pcb.h>
 
 
#include "bsd-kvm.h"
#include "bsd-kvm.h"
 
 
static int
static int
sparc64fbsd_kvm_supply_pcb (struct regcache *regcache, struct pcb *pcb)
sparc64fbsd_kvm_supply_pcb (struct regcache *regcache, struct pcb *pcb)
{
{
  /* The following is true for FreeBSD 5.4:
  /* The following is true for FreeBSD 5.4:
 
 
     The pcb contains %sp and %pc.  Since the register windows are
     The pcb contains %sp and %pc.  Since the register windows are
     explicitly flushed, we can find the `local' and `in' registers on
     explicitly flushed, we can find the `local' and `in' registers on
     the stack.  */
     the stack.  */
 
 
  /* The stack pointer shouldn't be zero.  */
  /* The stack pointer shouldn't be zero.  */
  if (pcb->pcb_sp == 0)
  if (pcb->pcb_sp == 0)
    return 0;
    return 0;
 
 
  regcache_raw_supply (regcache, SPARC_SP_REGNUM, &pcb->pcb_sp);
  regcache_raw_supply (regcache, SPARC_SP_REGNUM, &pcb->pcb_sp);
  regcache_raw_supply (regcache, SPARC64_PC_REGNUM, &pcb->pcb_pc);
  regcache_raw_supply (regcache, SPARC64_PC_REGNUM, &pcb->pcb_pc);
 
 
  /* Synthesize %npc.  */
  /* Synthesize %npc.  */
  pcb->pcb_pc += 4;
  pcb->pcb_pc += 4;
  regcache_raw_supply (regcache, SPARC64_NPC_REGNUM, &pcb->pcb_pc);
  regcache_raw_supply (regcache, SPARC64_NPC_REGNUM, &pcb->pcb_pc);
 
 
  /* Read `local' and `in' registers from the stack.  */
  /* Read `local' and `in' registers from the stack.  */
  sparc_supply_rwindow (regcache, pcb->pcb_sp, -1);
  sparc_supply_rwindow (regcache, pcb->pcb_sp, -1);
 
 
  return 1;
  return 1;
}
}


 
 
/* Provide a prototype to silence -Wmissing-prototypes.  */
/* Provide a prototype to silence -Wmissing-prototypes.  */
void _initialize_sparc64fbsd_nat (void);
void _initialize_sparc64fbsd_nat (void);
 
 
void
void
_initialize_sparc64fbsd_nat (void)
_initialize_sparc64fbsd_nat (void)
{
{
  struct target_ops *t;
  struct target_ops *t;
 
 
  /* Add some extra features to the generic SPARC target.  */
  /* Add some extra features to the generic SPARC target.  */
  t = sparc_target ();
  t = sparc_target ();
  t->to_pid_to_exec_file = fbsd_pid_to_exec_file;
  t->to_pid_to_exec_file = fbsd_pid_to_exec_file;
  t->to_find_memory_regions = fbsd_find_memory_regions;
  t->to_find_memory_regions = fbsd_find_memory_regions;
  t->to_make_corefile_notes = fbsd_make_corefile_notes;
  t->to_make_corefile_notes = fbsd_make_corefile_notes;
  add_target (t);
  add_target (t);
 
 
  sparc_gregset = &sparc64fbsd_gregset;
  sparc_gregset = &sparc64fbsd_gregset;
 
 
  /* Support debugging kernel virtual memory images.  */
  /* Support debugging kernel virtual memory images.  */
  bsd_kvm_add_target (sparc64fbsd_kvm_supply_pcb);
  bsd_kvm_add_target (sparc64fbsd_kvm_supply_pcb);
}
}
 
 

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