coregrind/m_gdbserver/regcache.h

   1 /* Register support routines for the remote server for GDB.
   2    Copyright (C) 2001, 2002, 2012 Free Software Foundation, Inc.
   3
   4    This file is part of GDB.
   5    It has been modified to integrate it in valgrind
   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 2 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, write to the Free Software
  19    Foundation, Inc., 51 Franklin Street, Fifth Floor,
  20    Boston, MA 02110-1301, USA.  */
  21
  22 #ifndef REGCACHE_H
  23 #define REGCACHE_H
  24
  25 #include "pub_core_basics.h"    // Bool
  26
  27 struct inferior_list_entry;
  28
  29 /* Create a new register cache for INFERIOR.  */
  30
  31 void *new_register_cache (void);
  32
  33 /* Release all memory associated with the register cache for INFERIOR.  */
  34
  35 void free_register_cache (void *regcache);
  36
  37 /* Invalidate cached registers for one or all threads.  */
  38
  39 void regcache_invalidate_one (struct inferior_list_entry *);
  40 void regcache_invalidate (void);
  41
  42 /* Convert all registers to a string in the currently specified remote
  43    format.  */
  44
  45 void registers_to_string (char *buf);
  46
  47 /* Convert a string to register values and fill our register cache.  */
  48
  49 void registers_from_string (const char *buf);
  50
  51 /* Return the size in bytes of a string-encoded register packet.  */
  52
  53 int registers_length (void);
  54
  55 /* Return a pointer to the description of register ``n''.  */
  56
  57 struct reg *find_register_by_number (int n);
  58
  59 int register_size (int n);
  60
  61 int find_regno (const char *name);
  62
  63 extern const char **gdbserver_expedite_regs;
  64
  65 /* *mod set to True if *buf provides a new value. */
  66 void supply_register (int n, const void *buf, Bool *mod);
  67
  68 /* Reads register data from buf (hex string in target byte order)
  69    and stores it in the register cache.
  70    *mod set to True if *buf provides a new value. */
  71 void supply_register_from_string (int n, const char *buf, Bool *mod);
  72
  73 /* *mod set to True if *buf provides a new value. */
  74 void supply_register_by_name (const char *name, const void *buf, Bool *mod);
  75
  76 void collect_register (int n, void *buf);
  77
  78 void collect_register_as_string (int n, char *buf);
  79
  80 void collect_register_by_name (const char *name, void *buf);
  81
  82 #endif /* REGCACHE_H */