C++ (Cpp) sim_fetch_register Examples

Example #1

File: remote-sim.c Project: DonCN/haiku

static void
gdbsim_fetch_register (int regno)
{
  if (regno == -1)
    {
      for (regno = 0; regno < NUM_REGS; regno++)
	gdbsim_fetch_register (regno);
      return;
    }

  switch (REGISTER_SIM_REGNO (regno))
    {
    case LEGACY_SIM_REGNO_IGNORE:
      break;
    case SIM_REGNO_DOES_NOT_EXIST:
      {
	/* For moment treat a `does not exist' register the same way
           as an ``unavailable'' register.  */
	char buf[MAX_REGISTER_SIZE];
	int nr_bytes;
	memset (buf, 0, MAX_REGISTER_SIZE);
	regcache_raw_supply (current_regcache, regno, buf);
	set_register_cached (regno, -1);
	break;
      }
    default:
      {
	static int warn_user = 1;
	char buf[MAX_REGISTER_SIZE];
	int nr_bytes;
	gdb_assert (regno >= 0 && regno < NUM_REGS);
	memset (buf, 0, MAX_REGISTER_SIZE);
	nr_bytes = sim_fetch_register (gdbsim_desc,
				       REGISTER_SIM_REGNO (regno),
				       buf, register_size (current_gdbarch, regno));
	if (nr_bytes > 0 && nr_bytes != register_size (current_gdbarch, regno) && warn_user)
	  {
	    fprintf_unfiltered (gdb_stderr,
				"Size of register %s (%d/%d) incorrect (%d instead of %d))",
				REGISTER_NAME (regno),
				regno, REGISTER_SIM_REGNO (regno),
				nr_bytes, register_size (current_gdbarch, regno));
	    warn_user = 0;
	  }
	/* FIXME: cagney/2002-05-27: Should check `nr_bytes == 0'
	   indicating that GDB and the SIM have different ideas about
	   which registers are fetchable.  */
	/* Else if (nr_bytes < 0): an old simulator, that doesn't
	   think to return the register size.  Just assume all is ok.  */
	regcache_raw_supply (current_regcache, regno, buf);
	if (sr_get_debug ())
	  {
	    printf_filtered ("gdbsim_fetch_register: %d", regno);
	    /* FIXME: We could print something more intelligible.  */
	    dump_mem (buf, register_size (current_gdbarch, regno));
	  }
	break;
      }
    }
}

Example #2

File: low-sim.c Project: cooljeanius/apple-gdb-1824

static void
fetch_register (int regno)
{
  sim_fetch_register (gdbsim_desc, regno, &registers[REGISTER_BYTE (regno)],
		      REGISTER_RAW_SIZE (regno));
}