gdb/tui/tui-location.c

   1 /* Copyright (C) 2021-2022 Free Software Foundation, Inc.
   2
   3    This file is part of GDB.
   4
   5    This program is free software; you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 3 of the License, or
   8    (at your option) any later version.
   9
  10    This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  17
  18 #include "defs.h"
  19 #include "tui/tui.h"
  20 #include "tui/tui-stack.h"
  21 #include "tui/tui-data.h"
  22 #include "tui/tui-location.h"
  23 #include "symtab.h"
  24 #include "source.h"
  25
  26 /* See tui/tui-location.h.  */
  27
  28 tui_location_tracker tui_location;
  29
  30 /* See tui/tui-location.h.  */
  31
  32 bool
  33 tui_location_tracker::set_location (struct gdbarch *gdbarch,
  34                                     const struct symtab_and_line &sal,
  35                                     const char *procname)
  36 {
  37   gdb_assert (procname != nullptr);
  38
  39   bool location_changed_p = set_fullname (sal.symtab);
  40   location_changed_p |= procname != m_proc_name;
  41   location_changed_p |= sal.line != m_line_no;
  42   location_changed_p |= sal.pc != m_addr;
  43   location_changed_p |= gdbarch != m_gdbarch;
  44
  45   m_proc_name = procname;
  46   m_line_no = sal.line;
  47   m_addr = sal.pc;
  48   m_gdbarch = gdbarch;
  49
  50   if (location_changed_p)
  51     tui_show_locator_content ();
  52
  53   return location_changed_p;
  54 }
  55
  56 /* See tui/tui-location.h.  */
  57
  58 bool
  59 tui_location_tracker::set_location (struct symtab *symtab)
  60 {
  61   bool location_changed_p = set_fullname (symtab);
  62
  63   if (location_changed_p)
  64     tui_show_locator_content ();
  65
  66   return location_changed_p;
  67 }
  68
  69 /* See tui/tui-location.h.  */
  70
  71 bool
  72 tui_location_tracker::set_fullname (struct symtab *symtab)
  73 {
  74   const char *fullname = (symtab == nullptr
  75                           ? "??"
  76                           : symtab_to_fullname (symtab));
  77   bool location_changed_p = fullname != m_full_name;
  78   m_full_name = std::string (fullname);
  79
  80   return location_changed_p;
  81 }