From 05566b3b8548616bad5290963b097f1d30a2df9e Mon Sep 17 00:00:00 2001
From: Tom Tromey <tromey@redhat.com>
Date: Tue, 23 Feb 2010 16:14:36 +0000
Subject: [PATCH] 	* dwarf2loc.c (read_pieced_value) <DWARF_VALUE_STACK>:
 Correctly 	handle big-endian values. 	(dwarf2_evaluate_loc_desc)
 <DWARF_VALUE_STACK>: Likewise.

---
 gdb/ChangeLog   |  6 ++++++
 gdb/dwarf2loc.c | 16 ++++++----------
 2 files changed, 12 insertions(+), 10 deletions(-)

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index c82bf88291..d5fd34e301 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,9 @@
+2010-02-23  Tom Tromey  <tromey@redhat.com>
+
+	* dwarf2loc.c (read_pieced_value) <DWARF_VALUE_STACK>: Correctly
+	handle big-endian values.
+	(dwarf2_evaluate_loc_desc) <DWARF_VALUE_STACK>: Likewise.
+
 2010-02-22  Pedro Alves  <pedro@codesourcery.com>
 
 	PR9605
diff --git a/gdb/dwarf2loc.c b/gdb/dwarf2loc.c
index 6679d74bd3..1c4d057d00 100644
--- a/gdb/dwarf2loc.c
+++ b/gdb/dwarf2loc.c
@@ -298,16 +298,14 @@ read_pieced_value (struct value *v)
 
 	case DWARF_VALUE_STACK:
 	  {
-	    gdb_byte bytes[sizeof (ULONGEST)];
 	    size_t n;
 	    int addr_size = gdbarch_addr_bit (c->arch) / 8;
-	    store_unsigned_integer (bytes, addr_size,
-				    gdbarch_byte_order (c->arch),
-				    p->v.expr.value);
 	    n = p->size;
 	    if (n > addr_size)
 	      n = addr_size;
-	    memcpy (contents + offset, bytes, n);
+	    store_unsigned_integer (contents + offset, n,
+				    gdbarch_byte_order (c->arch),
+				    p->v.expr.value);
 	  }
 	  break;
 
@@ -476,19 +474,17 @@ dwarf2_evaluate_loc_desc (struct symbol *var, struct frame_info *frame,
 
 	case DWARF_VALUE_STACK:
 	  {
-	    gdb_byte bytes[sizeof (ULONGEST)];
 	    ULONGEST value = (ULONGEST) dwarf_expr_fetch (ctx, 0);
 	    bfd_byte *contents;
 	    size_t n = ctx->addr_size;
 
-	    store_unsigned_integer (bytes, ctx->addr_size,
-				    gdbarch_byte_order (ctx->gdbarch),
-				    value);
 	    retval = allocate_value (SYMBOL_TYPE (var));
 	    contents = value_contents_raw (retval);
 	    if (n > TYPE_LENGTH (SYMBOL_TYPE (var)))
 	      n = TYPE_LENGTH (SYMBOL_TYPE (var));
-	    memcpy (contents, bytes, n);
+	    store_unsigned_integer (contents, n,
+				    gdbarch_byte_order (ctx->gdbarch),
+				    value);
 	  }
 	  break;