Fix for #203. Thanks to Steven Tattersall for the report.

[rmac] / sect.c

diff --git a/sect.c b/sect.c
index b20542bbd172c554aa375c1bbb513724112ea3fe..20e6fcb4a32016685d68116e5024272eddcba10a 100644 (file)
--- a/sect.c
+++ b/sect.c
@@ -548,6 +548,9 @@ int ResolveFixups(int sno)
                                                // In this instruction the PC is located a DWORD away
                                                if (dw & FU_PCRELX)
                                                        eval += 2;
+                                               
+                                               if ((int64_t)eval > 0x7fff || (int64_t)eval < -32768)
+                                                       error(range_error);
                                        }
                                        else
                                        {