gdb: add target_ops::supports_displaced_step

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

diff --git a/gdb/dcache.h b/gdb/dcache.h
index e9eed3dabb03e6d1716bd5b522bc17e4e68480f6..ba67b7a7e56a876c33aeb37811c17ede3416ed5f 100644 (file)
--- a/gdb/dcache.h
+++ b/gdb/dcache.h
@@ -1,14 +1,13 @@
 /* Declarations for caching.  Typically used by remote back ends for
    caching remote memory.
 
-   Copyright 1992, 1993, 1995, 1999, 2000, 2001
-   Free Software Foundation, Inc.
+   Copyright (C) 1992-2020 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,
@@ -17,27 +16,40 @@
    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., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #ifndef DCACHE_H
 #define DCACHE_H
 
+#include "target.h"    /* for enum target_xfer_status */
+
 typedef struct dcache_struct DCACHE;
 
-/* Invalidate DCACHE. */
+/* Invalidate DCACHE.  */
 void dcache_invalidate (DCACHE *dcache);
 
-/* Initialize DCACHE. */
+/* Initialize DCACHE.  */
 DCACHE *dcache_init (void);
 
-/* Free a DCACHE */
+/* Free a DCACHE.  */
 void dcache_free (DCACHE *);
 
-/* Simple to call from <remote>_xfer_memory */
-
-int dcache_xfer_memory (DCACHE *cache, CORE_ADDR mem, gdb_byte *my,
-                       int len, int should_write);
+/* A deletion adapter that calls dcache_free.  */
+struct dcache_deleter
+{
+  void operator() (DCACHE *d) const
+  {
+    dcache_free (d);
+  }
+};
+
+enum target_xfer_status
+  dcache_read_memory_partial (struct target_ops *ops, DCACHE *dcache,
+                             CORE_ADDR memaddr, gdb_byte *myaddr,
+                             ULONGEST len, ULONGEST *xfered_len);
+
+void dcache_update (DCACHE *dcache, enum target_xfer_status status,
+                   CORE_ADDR memaddr, const gdb_byte *myaddr,
+                   ULONGEST len);
 
 #endif /* DCACHE_H */