gdbsupport/print-utils.h

   1 /* Cell-based print utility routines for GDB, the GNU debugger.
   2
   3    Copyright (C) 1986-2020 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_PRINT_UTILS_H
  21 #define COMMON_PRINT_UTILS_H
  22
  23 /* How many characters (including the terminating null byte) fit in a
  24    cell.  */
  25 #define PRINT_CELL_SIZE 50
  26
  27 /* %u for ULONGEST.  The result is stored in a circular static buffer,
  28    NUMCELLS deep.  */
  29
  30 extern char *pulongest (ULONGEST u);
  31
  32 /* %d for LONGEST.  The result is stored in a circular static buffer,
  33    NUMCELLS deep.  */
  34
  35 extern char *plongest (LONGEST l);
  36
  37 /* Convert a ULONGEST into a HEX string, like %lx, with leading zeros.
  38    The result is stored in a circular static buffer, NUMCELLS deep.  */
  39
  40 extern char *phex (ULONGEST l, int sizeof_l);
  41
  42 /* Convert a ULONGEST into a HEX string, like %lx, without leading zeros.
  43    The result is  stored in a circular static buffer, NUMCELLS deep.  */
  44
  45 extern char *phex_nz (ULONGEST l, int sizeof_l);
  46
  47 /* Converts a LONGEST to a C-format hexadecimal literal and stores it
  48    in a static string.  Returns a pointer to this string.  */
  49
  50 extern char *hex_string (LONGEST num);
  51
  52 /* Converts a LONGEST number to a C-format hexadecimal literal and
  53    stores it in a static string.  Returns a pointer to this string
  54    that is valid until the next call.  The number is padded on the
  55    left with 0s to at least WIDTH characters.  */
  56
  57 extern char *hex_string_custom (LONGEST num, int width);
  58
  59 /* Convert VAL to a numeral in the given radix.  For
  60  * radix 10, IS_SIGNED may be true, indicating a signed quantity;
  61  * otherwise VAL is interpreted as unsigned.  If WIDTH is supplied,
  62  * it is the minimum width (0-padded if needed).  USE_C_FORMAT means
  63  * to use C format in all cases.  If it is false, then 'x'
  64  * and 'o' formats do not include a prefix (0x or leading 0).  */
  65
  66 extern char *int_string (LONGEST val, int radix, int is_signed, int width,
  67                          int use_c_format);
  68
  69 /* Convert a CORE_ADDR into a string.  */
  70
  71 extern const char *core_addr_to_string (const CORE_ADDR addr);
  72
  73 extern const char *core_addr_to_string_nz (const CORE_ADDR addr);
  74
  75 extern const char *host_address_to_string_1 (const void *addr);
  76
  77 /* Wrapper that avoids adding a pointless cast to all callers.  */
  78 #define host_address_to_string(ADDR) \
  79   host_address_to_string_1 ((const void *) (ADDR))
  80
  81 /* Return the next entry in the circular print buffer.  */
  82
  83 extern char *get_print_cell (void);
  84
  85 #endif /* COMMON_PRINT_UTILS_H */