#include "defs.h"
#include "inferior.h"
#include "regcache.h"
#include "alpha-tdep.h"
#include "alphabsd-tdep.h"
#include "inf-ptrace.h"
#include <sys/types.h>
#include <sys/ptrace.h>
#include <machine/reg.h>
#ifdef HAVE_SYS_PROCFS_H
#include <sys/procfs.h>
#endif
#ifndef HAVE_GREGSET_T
typedef struct reg gregset_t;
#endif
#ifndef HAVE_FPREGSET_T
typedef struct fpreg fpregset_t;
#endif
#include "gregset.h"
void
supply_gregset (gregset_t *gregsetp)
{
alphabsd_supply_reg ((char *) gregsetp, -1);
}
void
fill_gregset (gregset_t *gregsetp, int regno)
{
alphabsd_fill_reg ((char *) gregsetp, regno);
}
void
supply_fpregset (fpregset_t *fpregsetp)
{
alphabsd_supply_fpreg ((char *) fpregsetp, -1);
}
void
fill_fpregset (fpregset_t *fpregsetp, int regno)
{
alphabsd_fill_fpreg ((char *) fpregsetp, regno);
}
static int
getregs_supplies (int regno)
{
return ((regno >= ALPHA_V0_REGNUM && regno <= ALPHA_ZERO_REGNUM)
|| regno >= ALPHA_PC_REGNUM);
}
static void
alphabsd_fetch_inferior_registers (int regno)
{
if (regno == -1 || getregs_supplies (regno))
{
struct reg gregs;
if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
(PTRACE_TYPE_ARG3) &gregs, 0) == -1)
perror_with_name (_("Couldn't get registers"));
alphabsd_supply_reg ((char *) &gregs, 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"));
alphabsd_supply_fpreg ((char *) &fpregs, regno);
}
}
static void
alphabsd_store_inferior_registers (int regno)
{
if (regno == -1 || getregs_supplies (regno))
{
struct reg gregs;
if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
(PTRACE_TYPE_ARG3) &gregs, 0) == -1)
perror_with_name (_("Couldn't get registers"));
alphabsd_fill_reg ((char *) &gregs, regno);
if (ptrace (PT_SETREGS, PIDGET (inferior_ptid),
(PTRACE_TYPE_ARG3) &gregs, 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"));
alphabsd_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_alphabsd_nat (void);
void
_initialize_alphabsd_nat (void)
{
struct target_ops *t;
t = inf_ptrace_target ();
t->to_fetch_registers = alphabsd_fetch_inferior_registers;
t->to_store_registers = alphabsd_store_inferior_registers;
add_target (t);
}