0.8.0.78.vector-nil-string.1:

[sbcl.git] / src / runtime / backtrace.c

diff --git a/src/runtime/backtrace.c b/src/runtime/backtrace.c
index a4cbc11..fe8e540 100644 (file)
--- a/src/runtime/backtrace.c
+++ b/src/runtime/backtrace.c
@@ -26,6 +26,7 @@
 #endif
 #include "genesis/static-symbols.h"
 #include "genesis/primitive-objects.h"
+#include "thread.h"
 
 #ifndef __i386__
 
@@ -95,7 +96,8 @@ code_pointer(lispobj object)
 static boolean
 cs_valid_pointer_p(struct call_frame *pointer)
 {
-    return (((char *) CONTROL_STACK_START <= (char *) pointer) &&
+    struct thread *thread=arch_os_get_current_thread();
+    return (((char *) thread->control_stack_start <= (char *) pointer) &&
            ((char *) pointer < (char *) current_control_stack_pointer));
 }
 
@@ -237,7 +239,7 @@ backtrace(int nframes)
                         symbol = (struct symbol *) object;
                         object = (lispobj *) native_pointer(symbol->name);
                     }
-                    if (widetag_of(*object) == SIMPLE_STRING_WIDETAG) {
+                    if (widetag_of(*object) == SIMPLE_BASE_STRING_WIDETAG) {
                         struct vector *string;
 
                         string = (struct vector *) object;