X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?p=kvmfornfv.git;a=blobdiff_plain;f=qemu%2Froms%2FSLOF%2Fslof%2Fpaflof.c;h=2fc25c81edd96824253475b3d54dbefc2aaafc5a;hp=624955fba8e2328414da38e88162df47f1bde5a1;hb=437fd90c0250dee670290f9b714253671a990160;hpb=5bbd6fe9b8bab2a93e548c5a53b032d1939eec05

diff --git a/qemu/roms/SLOF/slof/paflof.c b/qemu/roms/SLOF/slof/paflof.c
index 624955fba..2fc25c81e 100644
--- a/qemu/roms/SLOF/slof/paflof.c
+++ b/qemu/roms/SLOF/slof/paflof.c
@@ -19,6 +19,7 @@
 #undef unix
 
 #include "paflof.h"
+#include <stdio.h>
 #include <string.h>
 #include <stdint.h>
 #include <ctype.h>
@@ -43,6 +44,9 @@ unsigned char hash_table[HASHSIZE*CELLSIZE];
 
 #include ISTR(TARG,c)
 
+static int did_stackwarning;
+extern char the_system_stack[];
+
 // the actual engine
 long engine(int mode, long param_1, long param_2)
 {
@@ -84,6 +88,11 @@ long engine(int mode, long param_1, long param_2)
 		c_return[1].a = &dummy;
 	}
 
+	if ((char *)&ip < the_system_stack && !did_stackwarning) {
+		puts("ERROR: stack overflow in engine()!");
+		did_stackwarning = 1;
+	}
+
 	if (mode & ENGINE_MODE_PARAM_2) {
 		(++dp)->n = param_2;
 	}