112 lines
3.9 KiB
C
112 lines
3.9 KiB
C
/* Cache and manage the values of registers for GDB, the GNU debugger.
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Copyright 1986, 1987, 1989, 1991, 1994, 1995, 1996, 1998, 2000,
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2001, 2002 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#ifndef REGCACHE_H
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#define REGCACHE_H
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struct regcache;
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struct gdbarch;
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extern struct regcache *current_regcache;
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void regcache_xfree (struct regcache *regcache);
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struct cleanup *make_cleanup_regcache_xfree (struct regcache *regcache);
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struct regcache *regcache_xmalloc (struct gdbarch *gdbarch);
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/* Transfer a raw register [0..NUM_REGS) between core-gdb and the
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regcache. */
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void regcache_read (struct regcache *regcache, int rawnum, char *buf);
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void regcache_write (struct regcache *regcache, int rawnum, char *buf);
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int regcache_valid_p (struct regcache *regcache, int regnum);
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CORE_ADDR regcache_read_as_address (struct regcache *regcache, int rawnum);
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/* Transfer a raw register [0..NUM_REGS) between the regcache and the
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target. These functions are called by the target in response to a
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target_fetch_registers() or target_store_registers(). */
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extern void supply_register (int regnum, char *val);
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extern void regcache_collect (int regnum, void *buf);
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/* DEPRECATED: Character array containing an image of the inferior
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programs' registers for the most recently referenced thread. */
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extern char *registers;
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/* DEPRECATED: Character array containing the current state of each
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register (unavailable<0, invalid=0, valid>0) for the most recently
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referenced thread. */
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extern signed char *register_valid;
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/* Copy/duplicate the contents of a register cache. By default, the
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operation is pass-through. Writes to DST and reads from SRC will
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go through to the target.
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The ``cpy'' functions can not have overlapping SRC and DST buffers.
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``no passthrough'' versions do not go through to the target. They
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only transfer values already in the cache. */
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extern struct regcache *regcache_dup (struct regcache *regcache);
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extern struct regcache *regcache_dup_no_passthrough (struct regcache *regcache);
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extern void regcache_cpy (struct regcache *dest, struct regcache *src);
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extern void regcache_cpy_no_passthrough (struct regcache *dest, struct regcache *src);
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extern char *deprecated_grub_regcache_for_registers (struct regcache *);
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extern char *deprecated_grub_regcache_for_register_valid (struct regcache *);
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extern int register_cached (int regnum);
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extern void set_register_cached (int regnum, int state);
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extern void register_changed (int regnum);
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extern void registers_changed (void);
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extern void registers_fetched (void);
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extern void read_register_bytes (int regbyte, char *myaddr, int len);
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extern void read_register_gen (int regnum, char *myaddr);
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extern void write_register_gen (int regnum, char *myaddr);
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extern void write_register_bytes (int regbyte, char *myaddr, int len);
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/* Rename to read_unsigned_register()? */
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extern ULONGEST read_register (int regnum);
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/* Rename to read_unsigned_register_pid()? */
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extern ULONGEST read_register_pid (int regnum, ptid_t ptid);
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extern LONGEST read_signed_register (int regnum);
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extern LONGEST read_signed_register_pid (int regnum, ptid_t ptid);
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extern void write_register (int regnum, LONGEST val);
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extern void write_register_pid (int regnum, CORE_ADDR val, ptid_t ptid);
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#endif /* REGCACHE_H */
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