Use canonicalize_file_name unconditionally

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

diff --git a/gdb/regcache.h b/gdb/regcache.h
index 5531f398cae07be73be5e7c2eba746afd43eb7b0..c00da84d15243bf9ee842a6b26b012845ca70147 100644 (file)
--- a/gdb/regcache.h
+++ b/gdb/regcache.h
@@ -1,7 +1,6 @@
 /* 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, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
+   Copyright (C) 1986-2014 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -21,7 +20,10 @@
 #ifndef REGCACHE_H
 #define REGCACHE_H
 
+#include "common-regcache.h"
+
 struct regcache;
+struct regset;
 struct gdbarch;
 struct address_space;
 
@@ -136,7 +138,7 @@ void regcache_cooked_write_part (struct regcache *regcache, int regnum,
 
 /* Special routines to read/write the PC.  */
 
-extern CORE_ADDR regcache_read_pc (struct regcache *regcache);
+/* For regcache_read_pc see common/common-regcache.h.  */
 extern void regcache_write_pc (struct regcache *regcache, CORE_ADDR pc);
 
 /* Transfer a raw register [0..NUM_REGS) between the regcache and the
@@ -148,6 +150,51 @@ extern void regcache_raw_supply (struct regcache *regcache,
 extern void regcache_raw_collect (const struct regcache *regcache,
                                  int regnum, void *buf);
 
+/* Mapping between register numbers and offsets in a buffer, for use
+   in the '*regset' functions below.  In an array of
+   'regcache_map_entry' each element is interpreted like follows:
+
+   - If 'regno' is a register number: Map register 'regno' to the
+     current offset (starting with 0) and increase the current offset
+     by 'size' (or the register's size, if 'size' is zero).  Repeat
+     this with consecutive register numbers up to 'regno+count-1'.
+
+   - If 'regno' is REGCACHE_MAP_SKIP: Add 'count*size' to the current
+     offset.
+
+   - If count=0: End of the map.  */
+
+struct regcache_map_entry
+{
+  int count;
+  int regno;
+  int size;
+};
+
+/* Special value for the 'regno' field in the struct above.  */
+
+enum
+  {
+    REGCACHE_MAP_SKIP = -1,
+  };
+
+/* Transfer a set of registers (as described by REGSET) between
+   REGCACHE and BUF.  If REGNUM == -1, transfer all registers
+   belonging to the regset, otherwise just the register numbered
+   REGNUM.  The REGSET's 'regmap' field must point to an array of
+   'struct regcache_map_entry'.
+
+   These functions are suitable for the 'regset_supply' and
+   'regset_collect' fields in a regset structure.  */
+
+extern void regcache_supply_regset (const struct regset *regset,
+                                   struct regcache *regcache,
+                                   int regnum, const void *buf,
+                                   size_t size);
+extern void regcache_collect_regset (const struct regset *regset,
+                                    const struct regcache *regcache,
+                                    int regnum, void *buf, size_t size);
+
 
 /* The type of a register.  This function is slightly more efficient
    then its gdbarch vector counterpart since it returns a precomputed
@@ -174,9 +221,6 @@ typedef enum register_status (regcache_cooked_read_ftype) (void *src,
 extern void regcache_save (struct regcache *dst,
                           regcache_cooked_read_ftype *cooked_read,
                           void *cooked_read_context);
-extern void regcache_restore (struct regcache *dst,
-                             regcache_cooked_read_ftype *cooked_read,
-                             void *cooked_read_context);
 
 /* Copy/duplicate the contents of a register cache.  By default, the
    operation is pass-through.  Writes to DST and reads from SRC will