#include "defs.h"
#include "inferior.h"
#include "regcache.h"
#include "gdb_assert.h"
#include <signal.h>
#include <sys/types.h>
#include <sys/ptrace.h>
#include <machine/reg.h>
#include "amd64-tdep.h"
#include "amd64-nat.h"
void
fetch_inferior_registers (int regnum)
{
if (regnum == -1 || amd64_native_gregset_supplies_p (regnum))
{
struct reg regs;
if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) ®s, 0) == -1)
perror_with_name ("Couldn't get registers");
amd64_supply_native_gregset (current_regcache, ®s, -1);
if (regnum != -1)
return;
}
if (regnum == -1 || regnum >= AMD64_ST0_REGNUM)
{
struct fpreg fpregs;
if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) &fpregs, 0) == -1)
perror_with_name ("Couldn't get floating point status");
amd64_supply_fxsave (current_regcache, -1, &fpregs);
}
}
void
store_inferior_registers (int regnum)
{
if (regnum == -1 || amd64_native_gregset_supplies_p (regnum))
{
struct reg regs;
if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) ®s, 0) == -1)
perror_with_name ("Couldn't get registers");
amd64_collect_native_gregset (current_regcache, ®s, regnum);
if (ptrace (PT_SETREGS, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) ®s, 0) == -1)
perror_with_name ("Couldn't write registers");
if (regnum != -1)
return;
}
if (regnum == -1 || regnum >= AMD64_ST0_REGNUM)
{
struct fpreg fpregs;
if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) &fpregs, 0) == -1)
perror_with_name ("Couldn't get floating point status");
amd64_fill_fxsave ((char *) &fpregs, regnum);
if (ptrace (PT_SETFPREGS, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) &fpregs, 0) == -1)
perror_with_name ("Couldn't write floating point status");
}
}