Пример #1
0
/* Function to set the disassembly window's content.
   Disassemble count lines starting at pc.
   Return address of the count'th instruction after pc.  */
static CORE_ADDR
tui_disassemble (struct tui_asm_line* asm_lines, CORE_ADDR pc, int count)
{
  struct ui_file *gdb_dis_out;

  /* now init the ui_file structure */
  gdb_dis_out = tui_sfileopen (256);

  /* Now construct each line */
  for (; count > 0; count--, asm_lines++)
    {
      if (asm_lines->addr_string)
        xfree (asm_lines->addr_string);
      if (asm_lines->insn)
        xfree (asm_lines->insn);
      
      print_address (pc, gdb_dis_out);
      asm_lines->addr = pc;
      asm_lines->addr_string = xstrdup (tui_file_get_strbuf (gdb_dis_out));

      ui_file_rewind (gdb_dis_out);

      pc = pc + gdb_print_insn (pc, gdb_dis_out);

      asm_lines->insn = xstrdup (tui_file_get_strbuf (gdb_dis_out));

      /* reset the buffer to empty */
      ui_file_rewind (gdb_dis_out);
    }
  ui_file_delete (gdb_dis_out);
  return pc;
}
Пример #2
0
static void
tui_restore_gdbout (void *ui)
{
    ui_file_delete (gdb_stdout);
    gdb_stdout = (struct ui_file*) ui;
    pagination_enabled = 1;
}
/* Get a printable name for the function at the address.  The symbol
   name is demangled if demangling is turned on.  Returns a pointer to
   a static area holding the result.  */
static char*
tui_get_function_from_frame (struct frame_info *fi)
{
  static char name[256];
  struct ui_file *stream = tui_sfileopen (256);
  char *p;

  print_address_symbolic (get_frame_pc (fi), stream, demangle, "");
  p = tui_file_get_strbuf (stream);

  /* Use simple heuristics to isolate the function name.  The symbol
     can be demangled and we can have function parameters.  Remove
     them because the status line is too short to display them.  */
  if (*p == '<')
    p++;
  strncpy (name, p, sizeof (name));
  p = strchr (name, '(');
  if (!p)
    p = strchr (name, '>');
  if (p)
    *p = 0;
  p = strchr (name, '+');
  if (p)
    *p = 0;
  ui_file_delete (stream);
  return name;
}
Пример #4
0
/* Disable command input through the standard CLI channels.  Used in
   the suspend proc for interpreters that use the standard gdb readline
   interface, like the cli & the mi.  */
void
gdb_disable_readline (void)
{
  /* FIXME - It is too heavyweight to delete and remake these every
     time you run an interpreter that needs readline.  It is probably
     better to have the interpreters cache these, which in turn means
     that this needs to be moved into interpreter specific code.  */

#if 0
  ui_file_delete (gdb_stdout);
  ui_file_delete (gdb_stderr);
  gdb_stdlog = NULL;
  gdb_stdtarg = NULL;
#endif

  rl_callback_handler_remove ();
  delete_file_handler (input_fd);
}
Пример #5
0
static void
do_serial_close (struct serial *scb, int really_close)
{
  struct serial *tmp_scb;

  last_serial_opened = NULL;

  if (serial_logfp)
    {
      fputs_unfiltered ("\nEnd of log\n", serial_logfp);
      serial_current_type = 0;

      /* XXX - What if serial_logfp == gdb_stdout or gdb_stderr? */
      ui_file_delete (serial_logfp);
      serial_logfp = NULL;
    }

/* This is bogus.  It's not our fault if you pass us a bad scb...!  Rob, you
   should fix your code instead.  */

  if (!scb)
    return;

  scb->refcnt--;
  if (scb->refcnt > 0)
    return;

  /* ensure that the FD has been taken out of async mode */
  if (scb->async_handler != NULL)
    serial_async (scb, NULL, NULL);

  if (really_close)
    scb->ops->close (scb);

  if (scb->name)
    xfree (scb->name);

  if (scb_base == scb)
    scb_base = scb_base->next;
  else
    for (tmp_scb = scb_base; tmp_scb; tmp_scb = tmp_scb->next)
      {
	if (tmp_scb->next != scb)
	  continue;

	tmp_scb->next = tmp_scb->next->next;
	break;
      }

  xfree (scb);
}
Пример #6
0
/* If we've pushed output files, close them and pop them.  */
static void
pop_output_files (void)
{
  /* Only delete one of the files -- they are all set to the same
     value.  */
  ui_file_delete (gdb_stdout);
  gdb_stdout = saved_output.out;
  gdb_stderr = saved_output.err;
  gdb_stdlog = saved_output.log;
  gdb_stdtarg = saved_output.targ;
  saved_output.out = NULL;
  saved_output.err = NULL;
  saved_output.log = NULL;
  saved_output.targ = NULL;

  ui_out_redirect (uiout, NULL);
}
Пример #7
0
static void
do_serial_close (struct serial *scb, int really_close)
{
  struct serial *tmp_scb;

  if (serial_logfp)
    {
      fputs_unfiltered ("\nEnd of log\n", serial_logfp);
      serial_current_type = 0;

      /* XXX - What if serial_logfp == gdb_stdout or gdb_stderr?  */
      ui_file_delete (serial_logfp);
      serial_logfp = NULL;
    }

  /* ensure that the FD has been taken out of async mode.  */
  if (scb->async_handler != NULL)
    serial_async (scb, NULL, NULL);

  if (really_close)
    scb->ops->close (scb);

  if (scb->name)
    xfree (scb->name);

  /* For serial_is_open.  */
  scb->bufp = NULL;

  if (scb_base == scb)
    scb_base = scb_base->next;
  else
    for (tmp_scb = scb_base; tmp_scb; tmp_scb = tmp_scb->next)
      {
	if (tmp_scb->next != scb)
	  continue;

	tmp_scb->next = tmp_scb->next->next;
	break;
      }

  serial_unref (scb);
}
Пример #8
0
static int
mi_set_logging (struct interp *interp, int start_log,
		struct ui_file *out, struct ui_file *logfile)
{
  struct mi_interp *mi = interp_data (interp);

  if (!mi)
    return 0;

  if (start_log)
    {
      /* The tee created already is based on gdb_stdout, which for MI
	 is a console and so we end up in an infinite loop of console
	 writing to ui_file writing to console etc.  So discard the
	 existing tee (it hasn't been used yet, and MI won't ever use
	 it), and create one based on raw_stdout instead.  */
      if (logfile)
	{
	  ui_file_delete (out);
	  out = tee_file_new (raw_stdout, 0, logfile, 0);
	}

      saved_raw_stdout = raw_stdout;
      raw_stdout = out;
    }
  else
    {
      raw_stdout = saved_raw_stdout;
      saved_raw_stdout = NULL;
    }
  
  mi_console_set_raw (mi->out, raw_stdout);
  mi_console_set_raw (mi->err, raw_stdout);
  mi_console_set_raw (mi->log, raw_stdout);
  mi_console_set_raw (mi->targ, raw_stdout);
  mi_console_set_raw (mi->event_channel, raw_stdout);

  return 1;
}
Пример #9
0
static int
frscm_print_frame_smob (SCM self, SCM port, scm_print_state *pstate)
{
    frame_smob *f_smob = (frame_smob *) SCM_SMOB_DATA (self);
    struct ui_file *strfile;
    char *s;

    gdbscm_printf (port, "#<%s ", frame_smob_name);

    strfile = mem_fileopen ();
    fprint_frame_id (strfile, f_smob->frame_id);
    s = ui_file_xstrdup (strfile, NULL);
    gdbscm_printf (port, "%s", s);
    ui_file_delete (strfile);
    xfree (s);

    scm_puts (">", port);

    scm_remember_upto_here_1 (self);

    /* Non-zero means success.  */
    return 1;
}
Пример #10
0
static void
do_ui_file_delete (void *arg)
{
  ui_file_delete (arg);
}
/* Create the status line to display as much information as we can on
   this single line: target name, process number, current function,
   current line, current PC, SingleKey mode.  */
static char*
tui_make_status_line (struct tui_locator_element *loc)
{
  char *string;
  char line_buf[50], *pname;
  char *buf;
  int status_size;
  int i, proc_width;
  const char *pid_name;
  const char *pc_buf;
  int target_width;
  int pid_width;
  int line_width;
  int pc_width;
  struct ui_file *pc_out;

  if (ptid_equal (inferior_ptid, null_ptid))
    pid_name = "No process";
  else
    pid_name = target_pid_to_str (inferior_ptid);

  target_width = strlen (target_shortname);
  if (target_width > MAX_TARGET_WIDTH)
    target_width = MAX_TARGET_WIDTH;

  pid_width = strlen (pid_name);
  if (pid_width > MAX_PID_WIDTH)
    pid_width = MAX_PID_WIDTH;

  status_size = tui_term_width ();
  string = (char *) xmalloc (status_size + 1);
  buf = (char*) alloca (status_size + 1);

  /* Translate line number and obtain its size.  */
  if (loc->line_no > 0)
    sprintf (line_buf, "%d", loc->line_no);
  else
    strcpy (line_buf, "??");
  line_width = strlen (line_buf);
  if (line_width < MIN_LINE_WIDTH)
    line_width = MIN_LINE_WIDTH;

  /* Translate PC address.  */
  pc_out = tui_sfileopen (128);
  deprecated_print_address_numeric (loc->addr, 1, pc_out);
  pc_buf = tui_file_get_strbuf (pc_out);
  pc_width = strlen (pc_buf);
  
  /* First determine the amount of proc name width we have available.
     The +1 are for a space separator between fields.
     The -1 are to take into account the \0 counted by sizeof.  */
  proc_width = (status_size
                - (target_width + 1)
                - (pid_width + 1)
                - (sizeof (PROC_PREFIX) - 1 + 1)
                - (sizeof (LINE_PREFIX) - 1 + line_width + 1)
                - (sizeof (PC_PREFIX) - 1 + pc_width + 1)
                - (tui_current_key_mode == TUI_SINGLE_KEY_MODE
                   ? (sizeof (SINGLE_KEY) - 1 + 1)
                   : 0));

  /* If there is no room to print the function name, try by removing
     some fields.  */
  if (proc_width < MIN_PROC_WIDTH)
    {
      proc_width += target_width + 1;
      target_width = 0;
      if (proc_width < MIN_PROC_WIDTH)
        {
          proc_width += pid_width + 1;
          pid_width = 0;
          if (proc_width <= MIN_PROC_WIDTH)
            {
              proc_width += pc_width + sizeof (PC_PREFIX) - 1 + 1;
              pc_width = 0;
              if (proc_width < 0)
                {
                  proc_width += line_width + sizeof (LINE_PREFIX) - 1 + 1;
                  line_width = 0;
                  if (proc_width < 0)
                    proc_width = 0;
                }
            }
        }
    }

  /* Now convert elements to string form.  */
  pname = loc->proc_name;

  /* Now create the locator line from the string version of the
     elements.  We could use sprintf() here but that wouldn't ensure
     that we don't overrun the size of the allocated buffer.
     strcat_to_buf() will.  */
  *string = (char) 0;

  if (target_width > 0)
    {
      sprintf (buf, "%*.*s ",
               -target_width, target_width, target_shortname);
      strcat_to_buf (string, status_size, buf);
    }
  if (pid_width > 0)
    {
      sprintf (buf, "%*.*s ",
               -pid_width, pid_width, pid_name);
      strcat_to_buf (string, status_size, buf);
    }
  
  /* Show whether we are in SingleKey mode.  */
  if (tui_current_key_mode == TUI_SINGLE_KEY_MODE)
    {
      strcat_to_buf (string, status_size, SINGLE_KEY);
      strcat_to_buf (string, status_size, " ");
    }

  /* Procedure/class name.  */
  if (proc_width > 0)
    {
      if (strlen (pname) > proc_width)
        sprintf (buf, "%s%*.*s* ", PROC_PREFIX,
                 1 - proc_width, proc_width - 1, pname);
      else
        sprintf (buf, "%s%*.*s ", PROC_PREFIX,
                 -proc_width, proc_width, pname);
      strcat_to_buf (string, status_size, buf);
    }

  if (line_width > 0)
    {
      sprintf (buf, "%s%*.*s ", LINE_PREFIX,
               -line_width, line_width, line_buf);
      strcat_to_buf (string, status_size, buf);
    }
  if (pc_width > 0)
    {
      strcat_to_buf (string, status_size, PC_PREFIX);
      strcat_to_buf (string, status_size, pc_buf);
    }
  
  
  for (i = strlen (string); i < status_size; i++)
    string[i] = ' ';
  string[status_size] = (char) 0;

  ui_file_delete (pc_out);
  return string;
}
Пример #12
0
static PyObject *
archpy_disassemble (PyObject *self, PyObject *args, PyObject *kw)
{
    static char *keywords[] = { "start_pc", "end_pc", "count", NULL };
    CORE_ADDR start, end = 0;
    CORE_ADDR pc;
    gdb_py_ulongest start_temp;
    long count = 0, i;
    PyObject *result_list, *end_obj = NULL, *count_obj = NULL;
    struct gdbarch *gdbarch = NULL;

    ARCHPY_REQUIRE_VALID (self, gdbarch);

    if (!PyArg_ParseTupleAndKeywords (args, kw, GDB_PY_LLU_ARG "|OO", keywords,
                                      &start_temp, &end_obj, &count_obj))
        return NULL;

    start = start_temp;
    if (end_obj)
    {
        if (PyLong_Check (end_obj))
            end = PyLong_AsUnsignedLongLong (end_obj);
        else if (PyInt_Check (end_obj))
            /* If the end_pc value is specified without a trailing 'L', end_obj will
               be an integer and not a long integer.  */
            end = PyInt_AsLong (end_obj);
        else
        {
            Py_DECREF (end_obj);
            Py_XDECREF (count_obj);
            PyErr_SetString (PyExc_TypeError,
                             _("Argument 'end_pc' should be a (long) integer."));

            return NULL;
        }

        if (end < start)
        {
            Py_DECREF (end_obj);
            Py_XDECREF (count_obj);
            PyErr_SetString (PyExc_ValueError,
                             _("Argument 'end_pc' should be greater than or "
                               "equal to the argument 'start_pc'."));

            return NULL;
        }
    }
    if (count_obj)
    {
        count = PyInt_AsLong (count_obj);
        if (PyErr_Occurred () || count < 0)
        {
            Py_DECREF (count_obj);
            Py_XDECREF (end_obj);
            PyErr_SetString (PyExc_TypeError,
                             _("Argument 'count' should be an non-negative "
                               "integer."));

            return NULL;
        }
    }

    result_list = PyList_New (0);
    if (result_list == NULL)
        return NULL;

    for (pc = start, i = 0;
            /* All args are specified.  */
            (end_obj && count_obj && pc <= end && i < count)
            /* end_pc is specified, but no count.  */
            || (end_obj && count_obj == NULL && pc <= end)
            /* end_pc is not specified, but a count is.  */
            || (end_obj == NULL && count_obj && i < count)
            /* Both end_pc and count are not specified.  */
            || (end_obj == NULL && count_obj == NULL && pc == start);)
    {
        int insn_len = 0;
        char *as = NULL;
        struct ui_file *memfile = mem_fileopen ();
        PyObject *insn_dict = PyDict_New ();
        volatile struct gdb_exception except;

        if (insn_dict == NULL)
        {
            Py_DECREF (result_list);
            ui_file_delete (memfile);

            return NULL;
        }
        if (PyList_Append (result_list, insn_dict))
        {
            Py_DECREF (result_list);
            Py_DECREF (insn_dict);
            ui_file_delete (memfile);

            return NULL;  /* PyList_Append Sets the exception.  */
        }

        TRY_CATCH (except, RETURN_MASK_ALL)
        {
            insn_len = gdb_print_insn (gdbarch, pc, memfile, NULL);
        }
        if (except.reason < 0)
        {
            Py_DECREF (result_list);
            ui_file_delete (memfile);

            gdbpy_convert_exception (except);
            return NULL;
        }

        as = ui_file_xstrdup (memfile, NULL);
        if (PyDict_SetItemString (insn_dict, "addr",
                                  gdb_py_long_from_ulongest (pc))
                || PyDict_SetItemString (insn_dict, "asm",
                                         PyString_FromString (*as ? as : "<unknown>"))
                || PyDict_SetItemString (insn_dict, "length",
                                         PyInt_FromLong (insn_len)))
        {
            Py_DECREF (result_list);

            ui_file_delete (memfile);
            xfree (as);

            return NULL;
        }

        pc += insn_len;
        i++;
        ui_file_delete (memfile);
        xfree (as);
    }
Пример #13
0
static int
inspect_type (struct demangle_parse_info *info,
	      struct demangle_component *ret_comp,
	      canonicalization_ftype *finder,
	      void *data)
{
  int i;
  char *name;
  struct symbol *sym;

  /* Copy the symbol's name from RET_COMP and look it up
     in the symbol table.  */
  name = (char *) alloca (ret_comp->u.s_name.len + 1);
  memcpy (name, ret_comp->u.s_name.s, ret_comp->u.s_name.len);
  name[ret_comp->u.s_name.len] = '\0';

  /* Ignore any typedefs that should not be substituted.  */
  for (i = 0; i < ARRAY_SIZE (ignore_typedefs); ++i)
    {
      if (strcmp (name, ignore_typedefs[i]) == 0)
	return 0;
    }

  sym = NULL;

  TRY
    {
      sym = lookup_symbol (name, 0, VAR_DOMAIN, 0);
    }
  CATCH (except, RETURN_MASK_ALL)
    {
      return 0;
    }
  END_CATCH

  if (sym != NULL)
    {
      struct type *otype = SYMBOL_TYPE (sym);

      if (finder != NULL)
	{
	  const char *new_name = (*finder) (otype, data);

	  if (new_name != NULL)
	    {
	      ret_comp->u.s_name.s = new_name;
	      ret_comp->u.s_name.len = strlen (new_name);
	      return 1;
	    }

	  return 0;
	}

      /* If the type is a typedef or namespace alias, replace it.  */
      if (TYPE_CODE (otype) == TYPE_CODE_TYPEDEF
	  || TYPE_CODE (otype) == TYPE_CODE_NAMESPACE)
	{
	  long len;
	  int is_anon;
	  struct type *type;
	  struct demangle_parse_info *i;
	  struct ui_file *buf;

	  /* Get the real type of the typedef.  */
	  type = check_typedef (otype);

	  /* If the symbol is a namespace and its type name is no different
	     than the name we looked up, this symbol is not a namespace
	     alias and does not need to be substituted.  */
	  if (TYPE_CODE (otype) == TYPE_CODE_NAMESPACE
	      && strcmp (TYPE_NAME (type), name) == 0)
	    return 0;

	  is_anon = (TYPE_TAG_NAME (type) == NULL
		     && (TYPE_CODE (type) == TYPE_CODE_ENUM
			 || TYPE_CODE (type) == TYPE_CODE_STRUCT
			 || TYPE_CODE (type) == TYPE_CODE_UNION));
	  if (is_anon)
	    {
	      struct type *last = otype;

	      /* Find the last typedef for the type.  */
	      while (TYPE_TARGET_TYPE (last) != NULL
		     && (TYPE_CODE (TYPE_TARGET_TYPE (last))
			 == TYPE_CODE_TYPEDEF))
		last = TYPE_TARGET_TYPE (last);

	      /* If there is only one typedef for this anonymous type,
		 do not substitute it.  */
	      if (type == otype)
		return 0;
	      else
		/* Use the last typedef seen as the type for this
		   anonymous type.  */
		type = last;
	    }

	  buf = mem_fileopen ();
	  TRY
	  {
	    type_print (type, "", buf, -1);
	  }

	  /* If type_print threw an exception, there is little point
	     in continuing, so just bow out gracefully.  */
	  CATCH (except, RETURN_MASK_ERROR)
	    {
	      ui_file_delete (buf);
	      return 0;
	    }
	  END_CATCH

	  name = ui_file_obsavestring (buf, &info->obstack, &len);
	  ui_file_delete (buf);

	  /* Turn the result into a new tree.  Note that this
	     tree will contain pointers into NAME, so NAME cannot
	     be free'd until all typedef conversion is done and
	     the final result is converted into a string.  */
	  i = cp_demangled_name_to_comp (name, NULL);
	  if (i != NULL)
	    {
	      /* Merge the two trees.  */
	      cp_merge_demangle_parse_infos (info, ret_comp, i);

	      /* Replace any newly introduced typedefs -- but not
		 if the type is anonymous (that would lead to infinite
		 looping).  */
	      if (!is_anon)
		replace_typedefs (info, ret_comp, finder, data);
	    }
	  else
	    {
	      /* This shouldn't happen unless the type printer has
		 output something that the name parser cannot grok.
		 Nonetheless, an ounce of prevention...

		 Canonicalize the name again, and store it in the
		 current node (RET_COMP).  */
	      char *canon = cp_canonicalize_string_no_typedefs (name);

	      if (canon != NULL)
		{
		  /* Copy the canonicalization into the obstack and
		     free CANON.  */
		  name = copy_string_to_obstack (&info->obstack, canon, &len);
		  xfree (canon);
		}

	      ret_comp->u.s_name.s = name;
	      ret_comp->u.s_name.len = len;
	    }

	  return 1;
	}
Пример #14
0
void
add_language (const struct language_defn *lang)
{
  /* For the "set language" command.  */
  static const char **language_names = NULL;
  /* For the "help set language" command.  */
  char *language_set_doc = NULL;

  int i;
  struct ui_file *tmp_stream;

  if (lang->la_magic != LANG_MAGIC)
    {
      fprintf_unfiltered (gdb_stderr,
			  "Magic number of %s language struct wrong\n",
			  lang->la_name);
      internal_error (__FILE__, __LINE__,
		      _("failed internal consistency check"));
    }

  if (!languages)
    {
      languages_allocsize = DEFAULT_ALLOCSIZE;
      languages = (const struct language_defn **) xmalloc
	(languages_allocsize * sizeof (*languages));
    }
  if (languages_size >= languages_allocsize)
    {
      languages_allocsize *= 2;
      languages = (const struct language_defn **) xrealloc ((char *) languages,
				 languages_allocsize * sizeof (*languages));
    }
  languages[languages_size++] = lang;

  /* Build the language names array, to be used as enumeration in the
     set language" enum command.  */
  language_names = xrealloc (language_names,
			     (languages_size + 1) * sizeof (const char *));
  for (i = 0; i < languages_size; ++i)
    language_names[i] = languages[i]->la_name;
  language_names[i] = NULL;

  /* Build the "help set language" docs.  */
  tmp_stream = mem_fileopen ();

  fprintf_unfiltered (tmp_stream,
		      _("Set the current source language.\n"
			"The currently understood settings are:\n\nlocal or "
			"auto    Automatic setting based on source file\n"));

  for (i = 0; i < languages_size; ++i)
    {
      /* Already dealt with these above.  */
      if (languages[i]->la_language == language_unknown
	  || languages[i]->la_language == language_auto)
	continue;

      /* FIXME: i18n: for now assume that the human-readable name
	 is just a capitalization of the internal name.  */
      fprintf_unfiltered (tmp_stream, "%-16s Use the %c%s language\n",
			  languages[i]->la_name,
			  /* Capitalize first letter of language
			     name.  */
			  toupper (languages[i]->la_name[0]),
			  languages[i]->la_name + 1);
    }

  language_set_doc = ui_file_xstrdup (tmp_stream, NULL);
  ui_file_delete (tmp_stream);

  add_setshow_enum_cmd ("language", class_support,
			(const char **) language_names,
			&language,
			language_set_doc,
			_("Show the current source language."),
			NULL, set_language_command,
			show_language_command,
			&setlist, &showlist);

  xfree (language_set_doc);
}