Allocate regset structures in the gdbarch's obstack, not using

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

diff --git a/gdb/regset.h b/gdb/regset.h
index 6172f0fecfd21696a3bbd648f055b98c23870d68..e64c48bc0e10267ecfa74887440bc9cee128f1c8 100644 (file)
--- a/gdb/regset.h
+++ b/gdb/regset.h
@@ -26,6 +26,11 @@ 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);
 
 struct regset
 {
@@ -33,9 +38,24 @@ struct regset
      providing some sort of description of the register set.  */
   const void *descr;
 
-  /* Function supplying a register set to a register cache.  */
-  void (*supply_regset) (const struct regset *, struct regcache *,
-                        int, const void *, size_t);
+  /* 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;
 };
 
+
+/* 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 on ARCH's obstack.  */
+extern struct regset *regset_alloc (struct gdbarch *arch,
+                                    const void *descr,
+                                    supply_regset_ftype *supply_regset,
+                                    collect_regset_ftype *collect_regset);
+
+
 #endif /* regset.h */