Пример #1
0
static void
fetch_fpregister (struct regcache *regcache, int regno)
{
  int ret, tid;
  gdb_byte fp[ARM_LINUX_SIZEOF_NWFPE];
  
  /* Get the thread id for the ptrace call.  */
  tid = GET_THREAD_ID (inferior_ptid);

  /* Read the floating point state.  */
  ret = ptrace (PT_GETFPREGS, tid, 0, fp);
  if (ret < 0)
    {
      warning (_("Unable to fetch floating point register."));
      return;
    }

  /* Fetch fpsr.  */
  if (ARM_FPS_REGNUM == regno)
    regcache_raw_supply (regcache, ARM_FPS_REGNUM,
			 fp + NWFPE_FPSR_OFFSET);

  /* Fetch the floating point register.  */
  if (regno >= ARM_F0_REGNUM && regno <= ARM_F7_REGNUM)
    supply_nwfpe_register (regcache, regno, fp);
}
Пример #2
0
void
arm_linux_supply_nwfpe (const struct regset *regset,
			struct regcache *regcache,
			int regnum, const void *regs_buf, size_t len)
{
  const gdb_byte *regs = regs_buf;
  int regno;

  if (regnum == ARM_FPS_REGNUM || regnum == -1)
    regcache_raw_supply (regcache, ARM_FPS_REGNUM,
			 regs + NWFPE_FPSR_OFFSET);

  for (regno = ARM_F0_REGNUM; regno <= ARM_F7_REGNUM; regno++)
    if (regnum == -1 || regnum == regno)
      supply_nwfpe_register (regcache, regno, regs);
}
Пример #3
0
static void
fetch_fpregister (struct regcache *regcache, int regno)
{
  int ret, tid;
  gdb_byte fp[ARM_LINUX_SIZEOF_NWFPE];

  /* Get the thread id for the ptrace call.  */
  tid = GET_THREAD_ID (inferior_ptid);

  /* Read the floating point state.  */
  if (have_ptrace_getregset == TRIBOOL_TRUE)
    {
      struct iovec iov;

      iov.iov_base = &fp;
      iov.iov_len = ARM_LINUX_SIZEOF_NWFPE;

      ret = ptrace (PTRACE_GETREGSET, tid, NT_FPREGSET, &iov);
    }
  else
    ret = ptrace (PT_GETFPREGS, tid, 0, fp);

  if (ret < 0)
    {
      warning (_("Unable to fetch floating point register."));
      return;
    }

  /* Fetch fpsr.  */
  if (ARM_FPS_REGNUM == regno)
    regcache_raw_supply (regcache, ARM_FPS_REGNUM,
			 fp + NWFPE_FPSR_OFFSET);

  /* Fetch the floating point register.  */
  if (regno >= ARM_F0_REGNUM && regno <= ARM_F7_REGNUM)
    supply_nwfpe_register (regcache, regno, fp);
}