From: kettenis <kettenis>
Date: Wed, 4 Aug 2004 20:57:26 +0000 (+0000)
Subject: * i387-tdep.c (i387_supply_fsave): Provide summy values for the
X-Git-Tag: reparent-point~1439
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=8fc6bb1371acfd9047ba8fe4e56622037db3dc95;p=pf3gnuchains%2Fpf3gnuchains4x.git

* i387-tdep.c (i387_supply_fsave): Provide summy values for the
SSE registers.
---

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 35d8fb9486..d1e53c873a 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,8 @@
 2004-08-04  Mark Kettenis  <kettenis@gnu.org>
 
+	* i387-tdep.c (i387_supply_fsave): Provide summy values for the
+	SSE registers.
+
 	* Makefile.in: Remove embedded page breaks.
 
 2004-08-04  Jim Blandy  <jimb@redhat.com>
diff --git a/gdb/i387-tdep.c b/gdb/i387-tdep.c
index 0e60a13968..003818c769 100644
--- a/gdb/i387-tdep.c
+++ b/gdb/i387-tdep.c
@@ -390,9 +390,11 @@ i387_supply_fsave (struct regcache *regcache, int regnum, const void *fsave)
 
   gdb_assert (tdep->st0_regnum >= I386_ST0_REGNUM);
 
-  /* Define I387_ST0_REGNUM such that we use the proper definitions
-     for REGCACHE's architecture.  */
+  /* Define I387_ST0_REGNUM and I387_NUM_XMM_REGS such that we use the
+     proper definitions for REGCACHE's architecture.  */
+
 #define I387_ST0_REGNUM tdep->st0_regnum
+#define I387_NUM_XMM_REGS tdep->num_xmm_regs
 
   for (i = I387_ST0_REGNUM; i < I387_XMM0_REGNUM; i++)
     if (regnum == -1 || regnum == i)
@@ -419,7 +421,21 @@ i387_supply_fsave (struct regcache *regcache, int regnum, const void *fsave)
 	else
 	  regcache_raw_supply (regcache, i, FSAVE_ADDR (regs, i));
       }
+
+  /* Provide dummy values for the SSE registers.  */
+  for (i = I387_XMM0_REGNUM; i < I387_MXCSR_REGNUM; i++)
+    if (regnum == -1 || regnum == i)
+      regcache_raw_supply (regcache, i, NULL);
+  if (regnum == -1 || regnum == I387_MXCSR_REGNUM)
+    {
+      char buf[4];
+
+      store_unsigned_integer (buf, 4, 0x1f80);
+      regcache_raw_supply (regcache, I387_MXCSR_REGNUM, buf);
+    }
+
 #undef I387_ST0_REGNUM
+#undef I387_NUM_XMM_REGS
 }
 
 /* Fill register REGNUM (if it is a floating-point register) in *FSAVE