#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 "mips-tdep.h"
#include "mipsnbsd-tdep.h"
#include "inf-ptrace.h"
static int
getregs_supplies (int regno)
{
return ((regno) >= MIPS_ZERO_REGNUM && (regno) <= PC_REGNUM);
}
static void
mipsnbsd_fetch_inferior_registers (int regno)
{
if (regno == -1 || getregs_supplies (regno))
{
struct reg regs;
if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
(PTRACE_TYPE_ARG3) ®s, 0) == -1)
perror_with_name (_("Couldn't get registers"));
mipsnbsd_supply_reg ((char *) ®s, regno);
if (regno != -1)
return;
}
if (regno == -1 || regno >= FP0_REGNUM)
{
struct fpreg fpregs;
if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid),
(PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
perror_with_name (_("Couldn't get floating point status"));
mipsnbsd_supply_fpreg ((char *) &fpregs, regno);
}
}
static void
mipsnbsd_store_inferior_registers (int regno)
{
if (regno == -1 || getregs_supplies (regno))
{
struct reg regs;
if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
(PTRACE_TYPE_ARG3) ®s, 0) == -1)
perror_with_name (_("Couldn't get registers"));
mipsnbsd_fill_reg ((char *) ®s, regno);
if (ptrace (PT_SETREGS, PIDGET (inferior_ptid),
(PTRACE_TYPE_ARG3) ®s, 0) == -1)
perror_with_name (_("Couldn't write registers"));
if (regno != -1)
return;
}
if (regno == -1 || regno >= FP0_REGNUM)
{
struct fpreg fpregs;
if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid),
(PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
perror_with_name (_("Couldn't get floating point status"));
mipsnbsd_fill_fpreg ((char *) &fpregs, regno);
if (ptrace (PT_SETFPREGS, PIDGET (inferior_ptid),
(PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
perror_with_name (_("Couldn't write floating point status"));
}
}
void _initialize_mipsnbsd_nat (void);
void
_initialize_mipsnbsd_nat (void)
{
struct target_ops *t;
t = inf_ptrace_target ();
t->to_fetch_registers = mipsnbsd_fetch_inferior_registers;
t->to_store_registers = mipsnbsd_store_inferior_registers;
add_target (t);
}