gdb: add target_ops::supports_displaced_step

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

diff --git a/gdb/regset.h b/gdb/regset.h
index b787c72a9be99f60f1e9232573c2b6efeb054033..d388e89d8b91389498eefb889221fa438fe641cb 100644 (file)
--- a/gdb/regset.h
+++ b/gdb/regset.h
@@ -1,12 +1,12 @@
 /* Manage register sets.
 
-   Copyright 2003 Free Software Foundation, Inc.
+   Copyright (C) 2003-2020 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,
@@ -15,9 +15,7 @@
    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 REGSET_H
 #define REGSET_H 1
@@ -26,35 +24,32 @@ struct gdbarch;
 struct regcache;
 
 /* Data structure describing a register set.  */
+
 typedef void (supply_regset_ftype) (const struct regset *, struct regcache *,
                                     int, const void *, size_t);
 typedef void (collect_regset_ftype) (const struct regset *, 
                                      const struct regcache *,
-                                     int, const void *, size_t);
+                                     int, void *, size_t);
 
 struct regset
 {
-  /* Data pointer for private use by the methods below, presumably
-     providing some sort of description of the register set.  */
-  const void *descr;
+  /* Pointer to a "register map", for private use by the methods
+     below.  Typically describes how the regset's registers are
+     arranged in the buffer collected to or supplied from.  */
+  const void *regmap;
 
   /* Function supplying values in a register set to a register cache.  */
   supply_regset_ftype *supply_regset;
 
   /* Function collecting values in a register set from a register cache.  */
   collect_regset_ftype *collect_regset;
-};
 
+  unsigned flags;
+};
 
-/* Allocate a fresh 'struct regset' whose descr is DESCR, whose
-   supply_regset function is SUPPLY_REGSET, and whose collect_regset
-   function is COLLECT_REGSET.  If the regset has no collect function,
-   pass NULL for COLLECT_REGSET.
-
-   The object returned is allocated using xmalloc.  */
-extern struct regset *regset_xmalloc (const void *descr,
-                                      supply_regset_ftype *supply_regset,
-                                      collect_regset_ftype *collect_regset);
+/* Values for a regset's 'flags' field.  */
 
+#define REGSET_VARIABLE_SIZE 1 /* Accept a larger regset section size
+                                  in a core file without warning.  */
 
 #endif /* regset.h */