gdb/

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

diff --git a/gdb/regcache.c b/gdb/regcache.c
index ea8189e67db80d19d741c300a82bd983de32b308..57d29e4b6434cb0a556f8f2a3b71d2ae373e6bba 100644 (file)
--- a/gdb/regcache.c
+++ b/gdb/regcache.c
@@ -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, 2004, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
+   Copyright (C) 1986-2013 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -226,14 +225,14 @@ regcache_xmalloc_1 (struct gdbarch *gdbarch, struct address_space *aspace,
       regcache->registers
        = XCALLOC (descr->sizeof_cooked_registers, gdb_byte);
       regcache->register_status
-       = XCALLOC (descr->sizeof_cooked_register_status, gdb_byte);
+       = XCALLOC (descr->sizeof_cooked_register_status, signed char);
     }
   else
     {
       regcache->registers
        = XCALLOC (descr->sizeof_raw_registers, gdb_byte);
       regcache->register_status
-       = XCALLOC (descr->sizeof_raw_register_status, gdb_byte);
+       = XCALLOC (descr->sizeof_raw_register_status, signed char);
     }
   regcache->aspace = aspace;
   regcache->ptid = minus_one_ptid;
@@ -411,7 +410,7 @@ regcache_dup (struct regcache *src)
   return newbuf;
 }
 
-int
+enum register_status
 regcache_register_status (const struct regcache *regcache, int regnum)
 {
   gdb_assert (regcache != NULL);
@@ -548,7 +547,6 @@ void
 registers_changed_ptid (ptid_t ptid)
 {
   struct regcache_list *list, **list_link;
-  int wildcard = ptid_equal (ptid, minus_one_ptid);
 
   list = current_regcache;
   list_link = &current_regcache;
@@ -569,13 +567,13 @@ registers_changed_ptid (ptid_t ptid)
       list = *list_link;
     }
 
-  if (wildcard || ptid_equal (ptid, current_thread_ptid))
+  if (ptid_match (current_thread_ptid, ptid))
     {
       current_thread_ptid = null_ptid;
       current_thread_arch = NULL;
     }
 
-  if (wildcard || ptid_equal (ptid, inferior_ptid))
+  if (ptid_match (inferior_ptid, ptid))
     {
       /* We just deleted the regcache of the current thread.  Need to
         forget about any frames we have cached, too.  */
@@ -708,8 +706,6 @@ regcache_cooked_read (struct regcache *regcache, int regnum, gdb_byte *buf)
     {
       /* Read-only register cache, perhaps the cooked value was
         cached?  */
-      struct gdbarch *gdbarch = regcache->descr->gdbarch;
-
       if (regcache->register_status[regnum] == REG_VALID)
        memcpy (buf, register_buffer (regcache, regnum),
                regcache->descr->sizeof_register[regnum]);
@@ -1096,7 +1092,7 @@ reg_flush_command (char *command, int from_tty)
 
 static void
 dump_endian_bytes (struct ui_file *file, enum bfd_endian endian,
-                  const unsigned char *buf, long len)
+                  const gdb_byte *buf, long len)
 {
   int i;
 
@@ -1134,7 +1130,7 @@ regcache_dump (struct regcache *regcache, struct ui_file *file,
   int footnote_register_offset = 0;
   int footnote_register_type_name_null = 0;
   long register_offset = 0;
-  unsigned char buf[MAX_REGISTER_SIZE];
+  gdb_byte buf[MAX_REGISTER_SIZE];
 
 #if 0
   fprintf_unfiltered (file, "nr_raw_registers %d\n",