From 8b910bab5574ef9cf4674a2fe60a91e243035a66 Mon Sep 17 00:00:00 2001
From: Mark Kettenis <kettenis@gnu.org>
Date: Thu, 15 Apr 2004 15:03:30 +0000
Subject: [PATCH] * vax-tdep.c: Include "regset.h". (vax_supply_gregset): New
 function. (vax_gregset): New variable. (vax_regset_from_core_section): New
 function. (vax_gdbarch_init): Set regset_from_core_section. * Makefile.in
 (vax-tdep.o): Update dependencies.

---
 gdb/ChangeLog   |  9 +++++++++
 gdb/Makefile.in |  4 ++--
 gdb/vax-tdep.c  | 47 ++++++++++++++++++++++++++++++++++++++++++++++-
 3 files changed, 57 insertions(+), 3 deletions(-)

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 4db97828171..cb236d17650 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,12 @@
+2004-04-15  Mark Kettenis  <kettenis@gnu.org>
+
+	* vax-tdep.c: Include "regset.h".
+	(vax_supply_gregset): New function.
+	(vax_gregset): New variable.
+	(vax_regset_from_core_section): New function.
+	(vax_gdbarch_init): Set regset_from_core_section.
+	* Makefile.in (vax-tdep.o): Update dependencies.
+
 2004-04-15  Andrew Cagney  <cagney@redhat.com>
 
 	* observer.c (normal_stop_subject, observer_notify_normal_stop)
diff --git a/gdb/Makefile.in b/gdb/Makefile.in
index f5c9ef65e04..29a027e83c5 100644
--- a/gdb/Makefile.in
+++ b/gdb/Makefile.in
@@ -2499,8 +2499,8 @@ varobj.o: varobj.c $(defs_h) $(value_h) $(expression_h) $(frame_h) \
 	$(language_h) $(wrapper_h) $(gdbcmd_h) $(gdb_string_h) $(varobj_h)
 vax-tdep.o: vax-tdep.c $(defs_h) $(symtab_h) $(opcode_vax_h) $(gdbcore_h) \
 	$(inferior_h) $(regcache_h) $(frame_h) $(frame_base_h) \
-	$(frame_unwind_h) $(value_h) $(arch_utils_h) $(gdb_string_h) \
-	$(osabi_h) $(dis_asm_h) $(vax_tdep_h)
+	$(frame_unwind_h) $(value_h) $(arch_utils_h) $(osabi_h) \
+	$(dis_asm_h) $(regset_h) $(gdb_string_h) $(vax_tdep_h)
 vaxbsd-nat.o: vaxbsd-nat.c $(defs_h) $(inferior_h) $(regcache_h) $(vax_tdep_h)
 vaxnbsd-tdep.o: vaxnbsd-tdep.c $(defs_h) $(arch_utils_h) $(osabi_h) \
 	$(vax_tdep_h) $(solib_svr4_h)
diff --git a/gdb/vax-tdep.c b/gdb/vax-tdep.c
index f697c9eb0b6..1e8986cda52 100644
--- a/gdb/vax-tdep.c
+++ b/gdb/vax-tdep.c
@@ -32,9 +32,11 @@
 #include "trad-frame.h"
 #include "value.h"
 #include "arch-utils.h"
-#include "gdb_string.h"
 #include "osabi.h"
 #include "dis-asm.h"
+#include "regset.h"
+
+#include "gdb_string.h"
 
 #include "vax-tdep.h"
 
@@ -65,7 +67,47 @@ vax_register_type (struct gdbarch *gdbarch, int regnum)
   return builtin_type_int;
 }
 
+/* Core file support.  */
+
+/* Supply register REGNUM from the buffer specified by GREGS and LEN
+   in the general-purpose register set REGSET to register cache
+   REGCACHE.  If REGNUM is -1, do this for all registers in REGSET.  */
+
+static void
+vax_supply_gregset (const struct regset *regset, struct regcache *regcache,
+		    int regnum, const void *gregs, size_t len)
+{
+  const char *regs = gregs;
+  int i;
+
+  for (i = 0; i < VAX_NUM_REGS; i++)
+    {
+      if (regnum == i || regnum == -1)
+	regcache_raw_supply (regcache, i, regs + i * 4);
+    }
+}
 
+/* VAX register set.  */
+
+static struct regset vax_gregset =
+{
+  NULL,
+  vax_supply_gregset
+};
+
+/* Return the appropriate register set for the core section identified
+   by SECT_NAME and SECT_SIZE.  */
+
+static const struct regset *
+vax_regset_from_core_section (struct gdbarch *gdbarch,
+			      const char *sect_name, size_t sect_size)
+{
+  if (strcmp (sect_name, ".reg") == 0 && sect_size >= VAX_NUM_REGS * 4)
+    return &vax_gregset;
+
+  return NULL;
+}
+
 /* The VAX Unix calling convention uses R1 to pass a structure return
    value address instead of passing it as a first (hidden) argument as
    the VMS calling convention suggests.  */
@@ -428,6 +470,9 @@ vax_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
   set_gdbarch_pc_regnum (gdbarch, VAX_PC_REGNUM);
   set_gdbarch_ps_regnum (gdbarch, VAX_PS_REGNUM);
 
+  set_gdbarch_regset_from_core_section
+    (gdbarch, vax_regset_from_core_section);
+
   /* Frame and stack info */
   set_gdbarch_skip_prologue (gdbarch, vax_skip_prologue);
   set_gdbarch_frame_num_args (gdbarch, vax_frame_num_args);
-- 
2.30.2