diff --git a/rtl/linux/i386/cprt1.as b/rtl/linux/i386/cprt1.as
index dfe596fd28..5165a9120f 100644
--- a/rtl/linux/i386/cprt1.as
+++ b/rtl/linux/i386/cprt1.as
@@ -53,6 +53,7 @@ _start:
         popl    %eax
         popl    %eax
 
+        xorl    %ebp,%ebp
         call    PASCALMAIN              /* start the program */
 
         .globl _haltproc
@@ -93,7 +94,10 @@ __environ:
 
 #
 # $Log$
-# Revision 1.2  1998-10-14 21:28:46  peter
+# Revision 1.3  1998-11-04 10:16:25  peter
+#   + xorl ebp,ebp to indicate end of backtrace
+#
+# Revision 1.2  1998/10/14 21:28:46  peter
 #   * initialize fpu so sigfpe is finally generated for fpu errors
 #
 # Revision 1.1  1998/08/12 19:16:09  peter
diff --git a/rtl/linux/i386/gprt0.as b/rtl/linux/i386/gprt0.as
index 933e903cf8..8e6a760a75 100644
--- a/rtl/linux/i386/gprt0.as
+++ b/rtl/linux/i386/gprt0.as
@@ -41,6 +41,7 @@ __entry:
         call    atexit
         addl    $4,%esp
 
+        xorl    %ebp,%ebp
         call    PASCALMAIN
 
         .globl  _haltproc
@@ -76,7 +77,10 @@ __curbrk:
 
 #
 # $Log$
-# Revision 1.4  1998-10-14 21:28:47  peter
+# Revision 1.5  1998-11-04 10:16:26  peter
+#   + xorl ebp,ebp to indicate end of backtrace
+#
+# Revision 1.4  1998/10/14 21:28:47  peter
 #   * initialize fpu so sigfpe is finally generated for fpu errors
 #
 # Revision 1.3  1998/08/08 14:42:09  peter
diff --git a/rtl/linux/i386/gprt1.as b/rtl/linux/i386/gprt1.as
index 2fc9ecac30..60ae8c92c6 100644
--- a/rtl/linux/i386/gprt1.as
+++ b/rtl/linux/i386/gprt1.as
@@ -47,6 +47,7 @@ _start:
         call    atexit
         addl    $4,%esp
 
+        xorl    %ebp,%ebp
         call    PASCALMAIN
 
         .globl _haltproc
@@ -83,7 +84,10 @@ __curbrk:
 
 #
 # $Log$
-# Revision 1.4  1998-10-14 21:28:48  peter
+# Revision 1.5  1998-11-04 10:16:27  peter
+#   + xorl ebp,ebp to indicate end of backtrace
+#
+# Revision 1.4  1998/10/14 21:28:48  peter
 #   * initialize fpu so sigfpe is finally generated for fpu errors
 #
 # Revision 1.3  1998/08/08 14:42:10  peter
diff --git a/rtl/linux/i386/prt0.as b/rtl/linux/i386/prt0.as
index 411400e012..486f3f509d 100644
--- a/rtl/linux/i386/prt0.as
+++ b/rtl/linux/i386/prt0.as
@@ -32,6 +32,7 @@ __entry:
         fwait
         fldcw   ___fpucw
 
+        xorl    %ebp,%ebp
         call    PASCALMAIN
 
         .globl  _haltproc
@@ -56,7 +57,10 @@ ___fpc_brk_addr:
 
 #
 # $Log$
-# Revision 1.4  1998-10-14 21:28:49  peter
+# Revision 1.5  1998-11-04 10:16:28  peter
+#   + xorl ebp,ebp to indicate end of backtrace
+#
+# Revision 1.4  1998/10/14 21:28:49  peter
 #   * initialize fpu so sigfpe is finally generated for fpu errors
 #
 # Revision 1.3  1998/08/08 14:42:11  peter
diff --git a/rtl/linux/i386/prt1.as b/rtl/linux/i386/prt1.as
index aecdad9586..f5c2e291a2 100644
--- a/rtl/linux/i386/prt1.as
+++ b/rtl/linux/i386/prt1.as
@@ -38,6 +38,7 @@ _start:
         fwait
         fldcw   ___fpucw
 
+        xorl    %ebp,%ebp
         call    PASCALMAIN
 
         .globl  _haltproc
@@ -68,7 +69,10 @@ __curbrk:
 
 #
 # $Log$
-# Revision 1.4  1998-10-14 21:28:50  peter
+# Revision 1.5  1998-11-04 10:16:29  peter
+#   + xorl ebp,ebp to indicate end of backtrace
+#
+# Revision 1.4  1998/10/14 21:28:50  peter
 #   * initialize fpu so sigfpe is finally generated for fpu errors
 #
 # Revision 1.3  1998/08/08 14:42:12  peter