From: Tom Tromey <tromey@redhat.com>
Date: Fri, 9 Mar 2012 20:06:18 +0000 (+0000)
Subject: 	* dwarf2read.c (dwarf2_attr): Avoid tail-recursive call.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=a48e046c37f9e3914710a4726db12ded2b9c939f;p=binutils-gdb.git

	* dwarf2read.c (dwarf2_attr): Avoid tail-recursive call.
---

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index cb9127cc616..d458636951a 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,7 @@
+2012-03-09  Tom Tromey  <tromey@redhat.com>
+
+	* dwarf2read.c (dwarf2_attr): Avoid tail-recursive call.
+
 2012-03-08  Joel Brobecker  <brobecker@adacore.com>
 
 	* ravenscar-sparc-thread.c (_initialize_ravenscar_sparc): Add
diff --git a/gdb/dwarf2read.c b/gdb/dwarf2read.c
index 6eed8d53b08..91331788c99 100644
--- a/gdb/dwarf2read.c
+++ b/gdb/dwarf2read.c
@@ -10708,22 +10708,24 @@ set_cu_language (unsigned int lang, struct dwarf2_cu *cu)
 static struct attribute *
 dwarf2_attr (struct die_info *die, unsigned int name, struct dwarf2_cu *cu)
 {
-  unsigned int i;
-  struct attribute *spec = NULL;
-
-  for (i = 0; i < die->num_attrs; ++i)
+  for (;;)
     {
-      if (die->attrs[i].name == name)
-	return &die->attrs[i];
-      if (die->attrs[i].name == DW_AT_specification
-	  || die->attrs[i].name == DW_AT_abstract_origin)
-	spec = &die->attrs[i];
-    }
+      unsigned int i;
+      struct attribute *spec = NULL;
+
+      for (i = 0; i < die->num_attrs; ++i)
+	{
+	  if (die->attrs[i].name == name)
+	    return &die->attrs[i];
+	  if (die->attrs[i].name == DW_AT_specification
+	      || die->attrs[i].name == DW_AT_abstract_origin)
+	    spec = &die->attrs[i];
+	}
+
+      if (!spec)
+	break;
 
-  if (spec)
-    {
       die = follow_die_ref (die, spec, &cu);
-      return dwarf2_attr (die, name, cu);
     }
 
   return NULL;