From: Jim Kingdon <jkingdon@engr.sgi.com>
Date: Sat, 5 Feb 1994 22:29:06 +0000 (+0000)
Subject: 	* remote-mips.c (mips_fetch_registers): If regno is FP_REGNUM or
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=021b10e345a1f57758dc522d90e52340a82f71fa;p=binutils-gdb.git

	* remote-mips.c (mips_fetch_registers): If regno is FP_REGNUM or
	ZERO_REGNUM, just read it as zero without talking to the board.
---

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index c5b55cc1997..3104fe50d31 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,8 @@
 Sat Feb  5 08:03:41 1994  Jim Kingdon  (kingdon@lioth.cygnus.com)
 
+	* remote-mips.c (mips_fetch_registers): If regno is FP_REGNUM or
+	ZERO_REGNUM, just read it as zero without talking to the board.
+
 	* config/i386/tm-i386aix.h (REGISTER_CONVERT_TO_RAW): Add missing
 	backslash.
 	* i386-tdep.c (i386_extract_return_value): Pass TYPE_LENGTH (type)
diff --git a/gdb/remote-mips.c b/gdb/remote-mips.c
index ae793f50dfa..8e926c28319 100644
--- a/gdb/remote-mips.c
+++ b/gdb/remote-mips.c
@@ -1181,10 +1181,18 @@ mips_fetch_registers (regno)
       return;
     }
 
-  val = mips_request ('r', (unsigned int) mips_map_regno (regno),
-		      (unsigned int) 0, &err, mips_receive_wait);
-  if (err)
-    mips_error ("Can't read register %d: %s", regno, safe_strerror (errno));
+  if (regno == FP_REGNUM || regno == ZERO_REGNUM)
+    /* FP_REGNUM on the mips is a hack which is just supposed to read
+       zero (see also mips-nat.c).  */
+    val = 0;
+  else
+    {
+      val = mips_request ('r', (unsigned int) mips_map_regno (regno),
+			  (unsigned int) 0, &err, mips_receive_wait);
+      if (err)
+	mips_error ("Can't read register %d: %s", regno,
+		    safe_strerror (errno));
+    }
 
   {
     char buf[MAX_REGISTER_RAW_SIZE];