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-rw-r--r--gdb/ChangeLog7
-rw-r--r--gdb/regcache.c12
-rw-r--r--gdb/regcache.h6
3 files changed, 25 insertions, 0 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index e373459..0fe8b83 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,10 @@
+2002-08-25 Andrew Cagney <ac131313@redhat.com>
+
+ * regcache.c (max_register_size): New function.
+ (init_legacy_regcache_descr): Ensure that max_register_size is
+ large enough for REGISTER_VIRTUAL_SIZE.
+ * regcache.h (max_register_size): Declare.
+
2002-08-24 Andrew Cagney <ac131313@redhat.com>
* rs6000-tdep.c (rs6000_gdbarch_init): Use deprecated version of
diff --git a/gdb/regcache.c b/gdb/regcache.c
index e483de0..384df40 100644
--- a/gdb/regcache.c
+++ b/gdb/regcache.c
@@ -112,6 +112,8 @@ init_legacy_regcache_descr (struct gdbarch *gdbarch)
descr->sizeof_register[i] = REGISTER_RAW_SIZE (i);
if (descr->max_register_size < REGISTER_RAW_SIZE (i))
descr->max_register_size = REGISTER_RAW_SIZE (i);
+ if (descr->max_register_size < REGISTER_VIRTUAL_SIZE (i))
+ descr->max_register_size = REGISTER_VIRTUAL_SIZE (i);
}
/* Come up with the real size of the registers buffer. */
@@ -239,6 +241,16 @@ xfree_regcache_descr (struct gdbarch *gdbarch, void *ptr)
xfree (descr);
}
+/* Utility functions returning useful register attributes stored in
+ the regcache descr. */
+
+int
+max_register_size (struct gdbarch *gdbarch)
+{
+ struct regcache_descr *descr = regcache_descr (gdbarch);
+ return descr->max_register_size;
+}
+
/* The register cache for storing raw register values. */
struct regcache
diff --git a/gdb/regcache.h b/gdb/regcache.h
index da91fd6..6af729a 100644
--- a/gdb/regcache.h
+++ b/gdb/regcache.h
@@ -88,6 +88,12 @@ extern void supply_register (int regnum, const void *val);
extern void regcache_collect (int regnum, void *buf);
+/* Return the size of the largest register. Used when allocating
+ space for an aribtrary register value. */
+
+extern int max_register_size (struct gdbarch *gdbarch);
+
+
/* DEPRECATED: Character array containing an image of the inferior
programs' registers for the most recently referenced thread. */