#include <sys/types.h>
#include <sys/ptrace.h>
#include <machine/reg.h>
#include "defs.h"
#include "inferior.h"
#include "ppc-tdep.h"
#include "ppcnbsd-tdep.h"
static int
getregs_supplies (int regno)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
return ((regno >= 0 && regno <= 31)
|| regno == tdep->ppc_lr_regnum
|| regno == tdep->ppc_cr_regnum
|| regno == tdep->ppc_xer_regnum
|| regno == tdep->ppc_ctr_regnum
|| regno == PC_REGNUM);
}
static int
getfpregs_supplies (int regno)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
return ((regno >= FP0_REGNUM && regno <= FP0_REGNUM + 31)
|| regno == tdep->ppc_fpscr_regnum);
}
void
fetch_inferior_registers (int regno)
{
if (regno == -1 || getregs_supplies (regno))
{
struct reg regs;
if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) ®s, 0) == -1)
perror_with_name ("Couldn't get registers");
ppcnbsd_supply_reg ((char *) ®s, regno);
if (regno != -1)
return;
}
if (regno == -1 || getfpregs_supplies (regno))
{
struct fpreg fpregs;
if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) &fpregs, 0) == -1)
perror_with_name ("Couldn't get FP registers");
ppcnbsd_supply_fpreg ((char *) &fpregs, regno);
if (regno != -1)
return;
}
}
void
store_inferior_registers (int regno)
{
if (regno == -1 || getregs_supplies (regno))
{
struct reg regs;
if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) ®s, 0) == -1)
perror_with_name ("Couldn't get registers");
ppcnbsd_fill_reg ((char *) ®s, regno);
if (ptrace (PT_SETREGS, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) ®s, 0) == -1)
perror_with_name ("Couldn't write registers");
if (regno != -1)
return;
}
if (regno == -1 || getfpregs_supplies (regno))
{
struct fpreg fpregs;
if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) &fpregs, 0) == -1)
perror_with_name ("Couldn't get FP registers");
ppcnbsd_fill_fpreg ((char *) &fpregs, regno);
if (ptrace (PT_SETFPREGS, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) &fpregs, 0) == -1)
perror_with_name ("Couldn't set FP registers");
}
}