From: David Edelsohn <dje.gcc@gmail.com>
Date: Thu, 8 Jul 1993 15:27:23 +0000 (+0000)
Subject: * findvar.c (read_register): Provide some support for 64 bit regs.
X-Git-Tag: gdb-4_18~18428
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=be474657518dd3253c668ff0380e60af67d9df85;p=external%2Fbinutils.git

* findvar.c (read_register): Provide some support for 64 bit regs.
(write_register): Ditto.
---

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 1e28508..6d2fd2f 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+Thu Jul  8 08:22:05 1993  Doug Evans  (dje@canuck.cygnus.com)
+
+	* findvar.c (read_register): Provide some support for 64 bit regs.
+	(write_register): Ditto.
+
 Wed Jul  7 14:30:00 1993  Jim Kingdon  (kingdon@lioth.cygnus.com)
 
 	* config/mips/nm-riscos.h: machine/machparam.h is always the right
diff --git a/gdb/findvar.c b/gdb/findvar.c
index 214870c..e382405 100644
--- a/gdb/findvar.c
+++ b/gdb/findvar.c
@@ -306,6 +306,7 @@ read_register (regno)
   unsigned short sval;
   unsigned int ival;
   unsigned long lval;
+  LONGEST llval;
 
   int size;
   
@@ -334,6 +335,12 @@ read_register (regno)
       SWAP_TARGET_AND_HOST (&lval, sizeof (lval));
       return lval;
     }
+  else if (size == sizeof (llval))
+    {
+      memcpy (&llval, &registers[REGISTER_BYTE (regno)], sizeof (llval));
+      SWAP_TARGET_AND_HOST (&llval, sizeof (llval));
+      return llval;
+    }
   else
     {
       error ("GDB Internal Error in read_register() for register %d, size %d",
@@ -358,6 +365,7 @@ write_register (regno, val)
   unsigned short sval;
   unsigned int ival;
   unsigned long lval;
+  LONGEST llval;
   int size;
   PTR ptr;
   
@@ -391,15 +399,20 @@ write_register (regno, val)
       ptr = (PTR) &lval;
       lval = val;
     }
-  else 
+  else if (size == sizeof(llval))
+    {
+      ptr = (PTR) &llval;
+      llval = val;
+    }
+  else
     {
       error ("GDB Internal Error in write_register() for register %d, size %d",
 	     regno, size);
     }
   
+  SWAP_TARGET_AND_HOST (ptr, size);
   if (register_valid [regno]) 
     {
-      SWAP_TARGET_AND_HOST (ptr, size);
       if (memcmp (&registers[REGISTER_BYTE (regno)],
 		  ptr, size) == 0)
 	return;