gdbsupport/common-types.h

   1 /* Declarations for common types.
   2
   3    Copyright (C) 1986-2023 Free Software Foundation, Inc.
   4
   5    This file is part of GDB.
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  19
  20 #ifndef COMMON_COMMON_TYPES_H
  21 #define COMMON_COMMON_TYPES_H
  22
  23 #include <inttypes.h>
  24
  25 /* * A byte from the program being debugged.  */
  26 typedef unsigned char gdb_byte;
  27
  28 /* * An address in the program being debugged.  Host byte order.  */
  29 typedef uint64_t CORE_ADDR;
  30
  31 /* Like a CORE_ADDR, but not directly convertible.  This is used to
  32    represent an unrelocated CORE_ADDR.  DEFINE_OFFSET_TYPE is not used
  33    here because there's no need to add or subtract values of this
  34    type.  */
  35 enum class unrelocated_addr : CORE_ADDR { };
  36
  37 /* LONGEST must be at least as big as CORE_ADDR.  */
  38
  39 typedef int64_t LONGEST;
  40 typedef uint64_t ULONGEST;
  41
  42 /* * The largest CORE_ADDR value.  */
  43 #define CORE_ADDR_MAX (~(CORE_ADDR) 0)
  44
  45 /* * The largest ULONGEST value, 0xFFFFFFFFFFFFFFFF for 64-bits.  */
  46 #define ULONGEST_MAX (~(ULONGEST) 0)
  47
  48 /* * The largest LONGEST value, 0x7FFFFFFFFFFFFFFF for 64-bits.  */
  49 #define LONGEST_MAX ((LONGEST) (ULONGEST_MAX >> 1))
  50
  51 /* * The smallest LONGEST value, 0x8000000000000000 for 64-bits.  */
  52 #define LONGEST_MIN ((LONGEST) (~(LONGEST) 0 ^ LONGEST_MAX))
  53
  54 enum tribool { TRIBOOL_UNKNOWN = -1, TRIBOOL_FALSE = 0, TRIBOOL_TRUE = 1 };
  55
  56 #endif /* COMMON_COMMON_TYPES_H */