gdb/regcache.h

   1 /* Cache and manage the values of registers for GDB, the GNU debugger.
   2    Copyright 1986, 1987, 1989, 1991, 1994, 1995, 1996, 1998, 2000, 2001
   3    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 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., 59 Temple Place - Suite 330,
  20    Boston, MA 02111-1307, USA.  */
  21
  22 #ifndef REGCACHE_H
  23 #define REGCACHE_H
  24
  25 /* Transfer a raw register [0..NUM_REGS) between core-gdb and the
  26    regcache. */
  27
  28 void regcache_read (int rawnum, char *buf);
  29 void regcache_write (int rawnum, char *buf);
  30
  31 /* Transfer a raw register [0..NUM_REGS) between the regcache and the
  32    target.  These functions are called by the target in response to a
  33    target_fetch_registers() or target_store_registers().  */
  34
  35 extern void supply_register (int regnum, char *val);
  36 extern void regcache_collect (int regnum, void *buf);
  37
  38
  39 /* DEPRECATED: Character array containing an image of the inferior
  40    programs' registers for the most recently referenced thread. */
  41
  42 extern char *registers;
  43
  44 /* DEPRECATED: Character array containing the current state of each
  45    register (unavailable<0, invalid=0, valid>0) for the most recently
  46    referenced thread. */
  47
  48 extern signed char *register_valid;
  49
  50 extern int register_cached (int regnum);
  51
  52 extern void set_register_cached (int regnum, int state);
  53
  54 extern void register_changed (int regnum);
  55
  56 extern void registers_changed (void);
  57
  58 extern void registers_fetched (void);
  59
  60 extern void read_register_bytes (int regbyte, char *myaddr, int len);
  61
  62 extern void read_register_gen (int regnum, char *myaddr);
  63
  64 extern void write_register_gen (int regnum, char *myaddr);
  65
  66 extern void write_register_bytes (int regbyte, char *myaddr, int len);
  67
  68 /* Rename to read_unsigned_register()? */
  69 extern ULONGEST read_register (int regnum);
  70
  71 /* Rename to read_unsigned_register_pid()? */
  72 extern ULONGEST read_register_pid (int regnum, ptid_t ptid);
  73
  74 extern LONGEST read_signed_register (int regnum);
  75
  76 extern LONGEST read_signed_register_pid (int regnum, ptid_t ptid);
  77
  78 extern void write_register (int regnum, LONGEST val);
  79
  80 extern void write_register_pid (int regnum, CORE_ADDR val, ptid_t ptid);
  81
  82 #endif /* REGCACHE_H */