X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fruntime%2Fmips-linux-os.c;h=e9d980331e50d55fcba8e56acbfa83b31f399bb6;hb=93c941d86b264637de20aa1b713757b704d4c1a6;hp=f92a232718fda68a03ced95f56c97507289bcefd;hpb=4ae1b794a5d6a90794468cf8017f5307f2c30dfe;p=sbcl.git

diff --git a/src/runtime/mips-linux-os.c b/src/runtime/mips-linux-os.c
index f92a232..e9d9803 100644
--- a/src/runtime/mips-linux-os.c
+++ b/src/runtime/mips-linux-os.c
@@ -83,8 +83,17 @@ os_context_bd_cause(os_context_t *context)
 {
     /* We need to see if whatever happened, happened because of a
        branch delay event */
-    return (((struct sigcontext *) &(context->uc_mcontext))->sc_cause 
-	    & CAUSEF_BD);
+    /* FIXME: However, I'm not convinced that the values that Linux
+       puts in this slot are actually right; specifically, attempting
+       to compile sbcl with sbcl-0.7.7.7 lead to an "infinite SIGTRAP
+       loop" where a (BREAK 16) not in a branch delay slot would have
+       CAUSEF_BD filled. So, we comment
+
+        return (((struct sigcontext *) &(context->uc_mcontext))->sc_cause 
+	        & CAUSEF_BD);
+
+       out and return 0 always.  -- CSR, 2002-09-02 */
+    return 0;
 }
 
 void