X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Fgdbserver%2Fregcache.c;h=2af8e241d98db5a8795682aa203f1585a4820ddb;hb=cbe14bcfada1e6f88811f82260f804167e95ac6f;hp=f79063c4993b5c8dc298aa1084c760c82d68ff7f;hpb=224c3ddb89a43bf8db06c373d4ff429477833c0f;p=deliverable%2Fbinutils-gdb.git

diff --git a/gdb/gdbserver/regcache.c b/gdb/gdbserver/regcache.c
index f79063c499..2af8e241d9 100644
--- a/gdb/gdbserver/regcache.c
+++ b/gdb/gdbserver/regcache.c
@@ -1,5 +1,5 @@
 /* Register support routines for the remote server for GDB.
-   Copyright (C) 2001-2015 Free Software Foundation, Inc.
+   Copyright (C) 2001-2016 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -107,13 +107,23 @@ regcache_invalidate_one (struct inferior_list_entry *entry,
   return 0;
 }
 
+/* See regcache.h.  */
+
+void
+regcache_invalidate_pid (int pid)
+{
+  find_inferior (&all_threads, regcache_invalidate_one, &pid);
+}
+
+/* See regcache.h.  */
+
 void
 regcache_invalidate (void)
 {
   /* Only update the threads of the current process.  */
   int pid = ptid_get_pid (current_thread->entry.id);
 
-  find_inferior (&all_threads, regcache_invalidate_one, &pid);
+  regcache_invalidate_pid (pid);
 }
 
 #endif
@@ -135,8 +145,9 @@ init_register_cache (struct regcache *regcache,
 	= (unsigned char *) xcalloc (1, tdesc->registers_size);
       regcache->registers_owned = 1;
       regcache->register_status
-	= (unsigned char *) xcalloc (1, tdesc->num_registers);
-      gdb_assert (REG_UNAVAILABLE == 0);
+	= (unsigned char *) xmalloc (tdesc->num_registers);
+      memset ((void *) regcache->register_status, REG_UNAVAILABLE,
+	      tdesc->num_registers);
 #else
       gdb_assert_not_reached ("can't allocate memory from the heap");
 #endif
@@ -242,18 +253,6 @@ registers_from_string (struct regcache *regcache, char *buf)
   hex2bin (buf, registers, len / 2);
 }
 
-struct reg *
-find_register_by_name (const struct target_desc *tdesc, const char *name)
-{
-  int i;
-
-  for (i = 0; i < tdesc->num_registers; i++)
-    if (strcmp (name, tdesc->reg_defs[i].name) == 0)
-      return &tdesc->reg_defs[i];
-  internal_error (__FILE__, __LINE__, "Unknown register %s requested",
-		  name);
-}
-
 int
 find_regno (const struct target_desc *tdesc, const char *name)
 {
@@ -316,6 +315,14 @@ register_size (const struct target_desc *tdesc, int n)
   return tdesc->reg_defs[n].size / 8;
 }
 
+/* See common/common-regcache.h.  */
+
+int
+regcache_register_size (const struct regcache *regcache, int n)
+{
+  return register_size (regcache->tdesc, n);
+}
+
 static unsigned char *
 register_data (struct regcache *regcache, int n, int fetch)
 {
@@ -417,6 +424,28 @@ collect_register (struct regcache *regcache, int n, void *buf)
 	  register_size (regcache->tdesc, n));
 }
 
+enum register_status
+regcache_raw_read_unsigned (struct regcache *regcache, int regnum,
+			    ULONGEST *val)
+{
+  int size;
+
+  gdb_assert (regcache != NULL);
+  gdb_assert (regnum >= 0 && regnum < regcache->tdesc->num_registers);
+
+  size = register_size (regcache->tdesc, regnum);
+
+  if (size > (int) sizeof (ULONGEST))
+    error (_("That operation is not available on integers of more than"
+            "%d bytes."),
+          (int) sizeof (ULONGEST));
+
+  *val = 0;
+  collect_register (regcache, regnum, val);
+
+  return REG_VALID;
+}
+
 #ifndef IN_PROCESS_AGENT
 
 void