gdb/tui/tui-location.c

   1 /* Copyright (C) 2021-2024 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 "tui/tui-status.h"
  19 #include "tui/tui-location.h"
  20 #include "symtab.h"
  21 #include "source.h"
  22
  23 /* See tui/tui-location.h.  */
  24
  25 tui_location_tracker tui_location;
  26
  27 /* See tui/tui-location.h.  */
  28
  29 bool
  30 tui_location_tracker::set_location (struct gdbarch *gdbarch,
  31                                     const struct symtab_and_line &sal,
  32                                     const char *procname)
  33 {
  34   gdb_assert (procname != nullptr);
  35
  36   bool location_changed_p = set_fullname (sal.symtab);
  37   location_changed_p |= procname != m_proc_name;
  38   location_changed_p |= sal.line != m_line_no;
  39   location_changed_p |= sal.pc != m_addr;
  40   location_changed_p |= gdbarch != m_gdbarch;
  41
  42   m_proc_name = procname;
  43   m_line_no = sal.line;
  44   m_addr = sal.pc;
  45   m_gdbarch = gdbarch;
  46
  47   if (location_changed_p)
  48     tui_show_status_content ();
  49
  50   return location_changed_p;
  51 }
  52
  53 /* See tui/tui-location.h.  */
  54
  55 bool
  56 tui_location_tracker::set_location (struct symtab *symtab)
  57 {
  58   bool location_changed_p = set_fullname (symtab);
  59
  60   if (location_changed_p)
  61     tui_show_status_content ();
  62
  63   return location_changed_p;
  64 }
  65
  66 /* See tui/tui-location.h.  */
  67
  68 bool
  69 tui_location_tracker::set_fullname (struct symtab *symtab)
  70 {
  71   const char *fullname = (symtab == nullptr
  72                           ? "??"
  73                           : symtab_to_fullname (symtab));
  74   bool location_changed_p = fullname != m_full_name;
  75   m_full_name = std::string (fullname);
  76
  77   return location_changed_p;
  78 }