Esempio n. 1
0
static SCM
gdbscm_arch_wide_charset (SCM self)
{
  arch_smob *a_smob
    = arscm_get_arch_smob_arg_unsafe (self, SCM_ARG1, FUNC_NAME);
  struct gdbarch *gdbarch = a_smob->gdbarch;

  return gdbscm_scm_from_c_string (target_wide_charset (gdbarch));
}
Esempio n. 2
0
static const struct builtin_type *
gdbscm_arch_builtin_type (SCM self, const char *func_name)
{
  arch_smob *a_smob
    = arscm_get_arch_smob_arg_unsafe (self, SCM_ARG1, func_name);
  struct gdbarch *gdbarch = a_smob->gdbarch;

  return builtin_type (gdbarch);
}
Esempio n. 3
0
static SCM
gdbscm_arch_name (SCM self)
{
  arch_smob *a_smob
    = arscm_get_arch_smob_arg_unsafe (self, SCM_ARG1, FUNC_NAME);
  struct gdbarch *gdbarch = a_smob->gdbarch;
  const char *name;

  name = (gdbarch_bfd_arch_info (gdbarch))->printable_name;

  return gdbscm_scm_from_c_string (name);
}
Esempio n. 4
0
static SCM
gdbscm_arch_disassemble (SCM self, SCM start_scm, SCM rest)
{
  arch_smob *a_smob
    = arscm_get_arch_smob_arg_unsafe (self, SCM_ARG1, FUNC_NAME);
  struct gdbarch *gdbarch = arscm_get_gdbarch (a_smob);
  const SCM keywords[] = {
    port_keyword, offset_keyword, size_keyword, count_keyword, SCM_BOOL_F
  };
  int port_arg_pos = -1, offset_arg_pos = -1;
  int size_arg_pos = -1, count_arg_pos = -1;
  SCM port = SCM_BOOL_F;
  ULONGEST offset = 0;
  unsigned int count = 1;
  unsigned int size;
  ULONGEST start_arg;
  CORE_ADDR start, end;
  CORE_ADDR pc;
  unsigned int i;
  int using_port;
  SCM result;

  gdbscm_parse_function_args (FUNC_NAME, SCM_ARG2, keywords, "U#OUuu",
			      start_scm, &start_arg, rest,
			      &port_arg_pos, &port,
			      &offset_arg_pos, &offset,
			      &size_arg_pos, &size,
			      &count_arg_pos, &count);
  /* START is first stored in a ULONGEST because we don't have a format char
     for CORE_ADDR, and it's not really worth it to have one yet.  */
  start = start_arg;

  if (port_arg_pos > 0)
    {
      SCM_ASSERT_TYPE (gdbscm_is_false (port)
		       || gdbscm_is_true (scm_input_port_p (port)),
		       port, port_arg_pos, FUNC_NAME, _("input port"));
    }
  using_port = gdbscm_is_true (port);

  if (offset_arg_pos > 0
      && (port_arg_pos < 0
	  || gdbscm_is_false (port)))
    {
      gdbscm_out_of_range_error (FUNC_NAME, offset_arg_pos,
				 gdbscm_scm_from_ulongest (offset),
				 _("offset provided but port is missing"));
    }

  if (size_arg_pos > 0)
    {
      if (size == 0)
	return SCM_EOL;
      /* For now be strict about start+size overflowing.  If it becomes
	 a nuisance we can relax things later.  */
      if (start + size < start)
	{
	  gdbscm_out_of_range_error (FUNC_NAME, 0,
				scm_list_2 (gdbscm_scm_from_ulongest (start),
					    gdbscm_scm_from_ulongest (size)),
				     _("start+size overflows"));
	}
      end = start + size - 1;
    }
  else
    end = ~(CORE_ADDR) 0;

  if (count == 0)
    return SCM_EOL;

  result = SCM_EOL;

  for (pc = start, i = 0; pc <= end && i < count; )
    {
      int insn_len = 0;
      struct ui_file *memfile = mem_fileopen ();
      struct cleanup *cleanups = make_cleanup_ui_file_delete (memfile);

      TRY
	{
	  if (using_port)
	    {
	      insn_len = gdbscm_print_insn_from_port (gdbarch, port, offset,
						      pc, memfile, NULL);
	    }
	  else
	    insn_len = gdb_print_insn (gdbarch, pc, memfile, NULL);
	}
      CATCH (except, RETURN_MASK_ALL)
	{
	  GDBSCM_HANDLE_GDB_EXCEPTION_WITH_CLEANUPS (except, cleanups);
	}
      END_CATCH

      std::string as = ui_file_as_string (memfile);

      result = scm_cons (dascm_make_insn (pc, as.c_str (), insn_len),
			 result);

      pc += insn_len;
      i++;
      do_cleanups (cleanups);
    }