1 files changed, 5 insertions, 0 deletions
diff --git a/gdb/i386-tdep.c b/gdb/i386-tdep.c
index 1cbe043..c03df8e 100644
--- a/gdb/i386-tdep.c
+++ b/gdb/i386-tdep.c
@@ -930,6 +930,11 @@ i386_sigtramp_frame_p (CORE_ADDR pc)
 {
   char *name;
 
+  /* We shouldn't even bother to try if the OSABI didn't register
+     a sigcontext_addr handler.  */
+  if (!gdbarch_tdep (current_gdbarch)->sigcontext_addr)
+    return NULL;
+
   find_pc_partial_function (pc, &name, NULL, NULL);
   if (PC_IN_SIGTRAMP (pc, name))
     return &i386_sigtramp_frame_unwind;