X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fruntime%2Fbacktrace.c;h=42ddb2e8cc174ca051f6a64d2ab61bffa2a1c191;hb=640c41f74a0a13d93b0a587f86fdeda522adf1c6;hp=07114aa1b06f101c47d478f63fe7dc6035d520c5;hpb=2b6833e06ab94171d193a75eac8cc68d2cf223c4;p=sbcl.git

diff --git a/src/runtime/backtrace.c b/src/runtime/backtrace.c
index 07114aa..42ddb2e 100644
--- a/src/runtime/backtrace.c
+++ b/src/runtime/backtrace.c
@@ -285,11 +285,16 @@ backtrace(int nframes)
 
 static int
 altstack_pointer_p (void *p) {
+#ifndef LISP_FEATURE_WIN32
     char* stack_start = ((char *) arch_os_get_current_thread())
         + dynamic_values_bytes;
     char* stack_end = stack_start + 32*SIGSTKSZ;
 
     return (p > stack_start && p <= stack_end);
+#else
+    /* Win32 doesn't do altstack */
+    return 0;
+#endif
 }
 
 static int