2011-01-05 Michael Snyder <msnyder@vmware.com>

[deliverable/binutils-gdb.git] / gdb / regcache.h

diff --git a/gdb/regcache.h b/gdb/regcache.h
index 4ced1fcd79b9b6fdce6ba8dd31063f0ff5f00170..474ab6efb104c3f7e249c6afcb79bce2b15586dd 100644 (file)
--- a/gdb/regcache.h
+++ b/gdb/regcache.h
@@ -1,13 +1,13 @@
 /* Cache and manage the values of registers for GDB, the GNU debugger.
 
    Copyright (C) 1986, 1987, 1989, 1991, 1994, 1995, 1996, 1998, 2000, 2001,
-   2002, 2007 Free Software Foundation, Inc.
+   2002, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2 of the License, or
+   the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
@@ -16,26 +16,32 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 51 Franklin Street, Fifth Floor,
-   Boston, MA 02110-1301, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #ifndef REGCACHE_H
 #define REGCACHE_H
 
 struct regcache;
 struct gdbarch;
+struct address_space;
 
-extern struct regcache *current_regcache;
+extern struct regcache *get_current_regcache (void);
+extern struct regcache *get_thread_regcache (ptid_t ptid);
+extern struct regcache *get_thread_arch_regcache (ptid_t, struct gdbarch *);
 
 void regcache_xfree (struct regcache *regcache);
 struct cleanup *make_cleanup_regcache_xfree (struct regcache *regcache);
-struct regcache *regcache_xmalloc (struct gdbarch *gdbarch);
+struct regcache *regcache_xmalloc (struct gdbarch *gdbarch,
+                                  struct address_space *aspace);
 
 /* Return REGCACHE's architecture.  */
 
 extern struct gdbarch *get_regcache_arch (const struct regcache *regcache);
 
+/* Return REGCACHE's address space.  */
+
+extern struct address_space *get_regcache_aspace (const struct regcache *);
+
 /* Transfer a raw register [0..NUM_REGS) between core-gdb and the
    regcache. */
 
@@ -95,6 +101,11 @@ void regcache_cooked_read_part (struct regcache *regcache, int regnum,
 void regcache_cooked_write_part (struct regcache *regcache, int regnum,
                                 int offset, int len, const gdb_byte *buf);
 
+/* Special routines to read/write the PC.  */
+
+extern CORE_ADDR regcache_read_pc (struct regcache *regcache);
+extern void regcache_write_pc (struct regcache *regcache, CORE_ADDR pc);
+
 /* Transfer a raw register [0..NUM_REGS) between the regcache and the
    target.  These functions are called by the target in response to a
    target_fetch_registers() or target_store_registers().  */
@@ -105,18 +116,6 @@ extern void regcache_raw_collect (const struct regcache *regcache,
                                  int regnum, void *buf);
 
 
-/* The register's ``offset''.
-
-   FIXME: cagney/2002-11-07: The frame_register() function, when
-   specifying the real location of a register, does so using that
-   registers offset in the register cache.  That offset is then used
-   by valops.c to determine the location of the register.  The code
-   should instead use the register's number and a location expression
-   to describe a value spread across multiple registers or memory.  */
-
-extern int register_offset_hack (struct gdbarch *gdbarch, int regnum);
-
-
 /* The type of a register.  This function is slightly more efficient
    then its gdbarch vector counterpart since it returns a precomputed
    value stored in a table.  */
@@ -155,21 +154,12 @@ extern void regcache_restore (struct regcache *dst,
    only transfer values already in the cache.  */
 
 extern struct regcache *regcache_dup (struct regcache *regcache);
-extern struct regcache *regcache_dup_no_passthrough (struct regcache *regcache);
+extern struct regcache *regcache_dup_no_passthrough (struct regcache *);
 extern void regcache_cpy (struct regcache *dest, struct regcache *src);
-extern void regcache_cpy_no_passthrough (struct regcache *dest, struct regcache *src);
+extern void regcache_cpy_no_passthrough (struct regcache *dest,
+                                        struct regcache *src);
 
 extern void registers_changed (void);
-
-
-/* Rename to read_unsigned_register()? */
-extern ULONGEST read_register (int regnum);
-
-/* Rename to read_unsigned_register_pid()? */
-extern ULONGEST read_register_pid (int regnum, ptid_t ptid);
-
-extern void write_register (int regnum, LONGEST val);
-
-extern void write_register_pid (int regnum, CORE_ADDR val, ptid_t ptid);
+extern void registers_changed_ptid (ptid_t);
 
 #endif /* REGCACHE_H */