X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fruntime%2Fvalidate.c;h=be8ad272ae421744730c2af62622556de7053bfc;hb=b870615b146940f661e5d0e9069ca4e16e9f483d;hp=9d712dbd707a8f0ccbbe0cf2b635034b5cec007f;hpb=503a50f07740b52908f630b0492cf56556f1a792;p=sbcl.git

diff --git a/src/runtime/validate.c b/src/runtime/validate.c
index 9d712db..be8ad27 100644
--- a/src/runtime/validate.c
+++ b/src/runtime/validate.c
@@ -66,7 +66,7 @@ validate(void)
     
     ensure_space( (lispobj *)READ_ONLY_SPACE_START, READ_ONLY_SPACE_SIZE);
     ensure_space( (lispobj *)STATIC_SPACE_START   , STATIC_SPACE_SIZE);
-#ifdef GENCGC
+#ifdef LISP_FEATURE_GENCGC
     ensure_space( (lispobj *)DYNAMIC_SPACE_START  , DYNAMIC_SPACE_SIZE);
 #else
     ensure_space( (lispobj *)DYNAMIC_0_SPACE_START  , DYNAMIC_SPACE_SIZE);
@@ -74,15 +74,23 @@ validate(void)
 #endif
     ensure_space( (lispobj *)CONTROL_STACK_START  , CONTROL_STACK_SIZE);
     ensure_space( (lispobj *)BINDING_STACK_START  , BINDING_STACK_SIZE);
+#ifdef LISP_FEATURE_C_STACK_IS_CONTROL_STACK
+    ensure_space( (lispobj *) ALTERNATE_SIGNAL_STACK_START, SIGSTKSZ);
+#endif
 
 #ifdef HOLES
     make_holes();
 #endif
-#ifndef GENCGC
-    current_dynamic_space = DYNAMIC_0_SPACE_START;
-#endif
-
+    
 #ifdef PRINTNOISE
     printf(" done.\n");
 #endif
+    protect_control_stack_guard_page(1);
 }
+
+void protect_control_stack_guard_page(int protect_p) {
+    os_protect(CONTROL_STACK_GUARD_PAGE,
+	       os_vm_page_size,protect_p ?
+	       (OS_VM_PROT_READ|OS_VM_PROT_EXECUTE) : OS_VM_PROT_ALL);
+}
+