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      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 */
     83