From: Jim Kingdon <jkingdon@engr.sgi.com>
Date: Wed, 22 Sep 1993 20:33:36 +0000 (+0000)
Subject: * mips-tdep.c (mips_frame_chain): If frame size zero, return zero.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=e797b4bc3b650f0c422bcefa5478b08193a26229;p=binutils-gdb.git

* mips-tdep.c (mips_frame_chain): If frame size zero, return zero.
---

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 235330fd257..46a4473de05 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -3,8 +3,7 @@ Wed Sep 22 10:28:06 1993  Jim Kingdon  (kingdon@lioth.cygnus.com)
 	* breakpoint.c (bpstat_what): Initialize retval.call_dummy and
 	retval.step_resume.
 
-	* mips-tdep.c (mips_frame_chain): If PROC_FRAME_OFFSET is zero,
-	then return zero.
+	* mips-tdep.c (mips_frame_chain): If frame size zero, return zero.
 
 	* remote-nindy.c: Declare ninMemGet and ninMemPut.
 
diff --git a/gdb/mips-tdep.c b/gdb/mips-tdep.c
index 3ed7c4bd4ab..590d1be61c2 100644
--- a/gdb/mips-tdep.c
+++ b/gdb/mips-tdep.c
@@ -341,9 +341,12 @@ mips_frame_chain(frame)
       return 0;
 
     cached_proc_desc = proc_desc;
-    /* If frame size is zero, we must be at end of stack (or otherwise hosed).
-       If we don't check frame size, we loop forever if we see it == 0.  */
-    if (PROC_FRAME_OFFSET (proc_desc) == 0)
+
+    /* If no frame pointer and frame size is zero, we must be at end
+       of stack (or otherwise hosed).  If we don't check frame size,
+       we loop forever if we see a zero size frame.  */
+    if (PROC_FRAME_REG (proc_desc) == SP_REGNUM
+	&& PROC_FRAME_OFFSET (proc_desc) == 0)
       return 0;
     else
       return read_next_frame_reg(frame, PROC_FRAME_REG(proc_desc))