* arch-utils.h (generic_register_size): Declare.

(generic_register_raw_size, generic_register_virtual_size): Delete
declarations.
* arch-utils.c (generic_register_raw_size): Delete.
(generic_register_size): New function.
(generic_register_virtual_size): Delete.

* gdbarch.sh (REGISTER_RAW_SIZE, REGISTER_VIRTUAL_SIZE): Make
default generic_register_size.
* gdbarch.h, gdbarch.c: Re-generate.

* d10v-tdep.c (d10v_gdbarch_init): Use generic_register_size for
register_virtual_size.
* x86-64-tdep.c (x86_64_gdbarch_init): Ditto.
* rs6000-tdep.c (rs6000_gdbarch_init): Ditto.

* gdbint.texinfo (Target Architecture Definition): Mention
defaults for REGISTER_VIRTUAL_SIZE and REGISTER_RAW_SIZE.
(Target Architecture Definition): Mention same.  Add references to
web pages.

2 files changed, 18 insertions, 4 deletions

diff --git a/gdb/doc/ChangeLog b/gdb/doc/ChangeLog
index 8c9a9f6..3ddf6f6 100644
--- a/gdb/doc/ChangeLog
+++ b/gdb/doc/ChangeLog
@@ -1,3 +1,10 @@
+2002-05-11  Andrew Cagney  <ac131313@redhat.com>
+
+	* gdbint.texinfo (Target Architecture Definition): Mention
+	defaults for REGISTER_VIRTUAL_SIZE and REGISTER_RAW_SIZE.
+	(Target Architecture Definition): Mention same.  Add references to
+	web pages.
+
 2002-05-08  Michael Snyder  <msnyder@redhat.com>
 
 	* stabs.texinfo (Attributes): Document new "vector" attribute.
diff --git a/gdb/doc/gdbint.texinfo b/gdb/doc/gdbint.texinfo
index 3387cdb..a52c19c 100644
--- a/gdb/doc/gdbint.texinfo
+++ b/gdb/doc/gdbint.texinfo
@@ -2496,8 +2496,13 @@ C@t{++} reference type.
 
 @emph{Maintainer's note: The way GDB manipulates registers is undergoing
 significant change.  Many of the macros and functions refered to in the
-sections below are likely to be made obsolete.  See the file @file{TODO}
-for more up-to-date information.}
+section below are likely to be made obsolete.  For instance, instead of
+having different raw and virtual register sizes, an architecture can
+define pseudo-registers that map onto the raw registers.
+
+See the @uref{http://www.gnu.org/software/gdb/bugs/, Bug Tracking
+Database} and @uref{http://sources.redhat.com/gdb/current/ari, ARI
+Index} for more up-to-date information.}
 
 Some architectures use one representation for a value when it lives in a
 register, but use a different representation when it lives in memory.
@@ -3175,12 +3180,14 @@ Return non-zero if @var{reg} uses different raw and virtual formats.
 
 @item REGISTER_RAW_SIZE (@var{reg})
 @findex REGISTER_RAW_SIZE
-Return the raw size of @var{reg}.
+Return the raw size of @var{reg}; defaults to the size of the register's
+virtual type.
 @xref{Target Architecture Definition, , Using Different Register and Memory Data Representations}.
 
 @item REGISTER_VIRTUAL_SIZE (@var{reg})
 @findex REGISTER_VIRTUAL_SIZE
-Return the virtual size of @var{reg}.
+Return the virtual size of @var{reg}; defaults to the size of the
+register's virtual type.
 @xref{Target Architecture Definition, , Using Different Register and Memory Data Representations}.
 
 @item REGISTER_VIRTUAL_TYPE (@var{reg})