From: Luis Machado <luisgpm@br.ibm.com>
Date: Wed, 7 Sep 2011 02:33:58 +0000 (+0000)
Subject: 2011-09-06  Luis Machado  <lgustavo@codesourcery.com>
X-Git-Tag: binutils-2_22-branchpoint~135
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=861152be0e99b1f69a1ce907d9067dc6123ac4da;p=thirdparty%2Fbinutils-gdb.git

2011-09-06  Luis Machado  <lgustavo@codesourcery.com>

	* frame.c (has_stack_frames): Check for currently selected
	traceframe.
---

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index af56e35bdf9..29543294de9 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2011-09-06  Luis Machado  <lgustavo@codesourcery.com>
+
+	* frame.c (has_stack_frames): Check for currently selected
+	traceframe.
+
 2011-09-06  Pedro Alves  <pedro@codesourcery.com>
 
 	* event-top.h (MAXPROMPTS, struct prompts): Delete.
diff --git a/gdb/frame.c b/gdb/frame.c
index 37f106a92b2..fc581fb1abe 100644
--- a/gdb/frame.c
+++ b/gdb/frame.c
@@ -1328,17 +1328,21 @@ has_stack_frames (void)
   if (!target_has_registers || !target_has_stack || !target_has_memory)
     return 0;
 
-  /* No current inferior, no frame.  */
-  if (ptid_equal (inferior_ptid, null_ptid))
-    return 0;
+  /* Traceframes are effectively a substitute for the live inferior.  */
+  if (get_traceframe_number () < 0)
+    {
+      /* No current inferior, no frame.  */
+      if (ptid_equal (inferior_ptid, null_ptid))
+	return 0;
 
-  /* Don't try to read from a dead thread.  */
-  if (is_exited (inferior_ptid))
-    return 0;
+      /* Don't try to read from a dead thread.  */
+      if (is_exited (inferior_ptid))
+	return 0;
 
-  /* ... or from a spinning thread.  */
-  if (is_executing (inferior_ptid))
-    return 0;
+      /* ... or from a spinning thread.  */
+      if (is_executing (inferior_ptid))
+	return 0;
+    }
 
   return 1;
 }