X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fruntime%2Fvalidate.c;h=54b3a6b6638613533565c9dbb89cd3d8c0d3180b;hb=422b88abf96f4842a3d0999cd3b80d96f5a153d6;hp=e3ad9b1f827c90e1982606bf7db97dd5addb314c;hpb=c8322df812da6eb4ef1ae51735b224b2ad0f1503;p=sbcl.git

diff --git a/src/runtime/validate.c b/src/runtime/validate.c
index e3ad9b1..54b3a6b 100644
--- a/src/runtime/validate.c
+++ b/src/runtime/validate.c
@@ -14,6 +14,8 @@
  */
 
 #include <stdio.h>
+#include <stdlib.h>
+
 #include "runtime.h"
 #include "os.h"
 #include "globals.h"
@@ -58,29 +60,40 @@ void
 validate(void)
 {
 #ifdef PRINTNOISE
-	printf("validating memory ...");
-	fflush(stdout);
+    printf("validating memory ...");
+    fflush(stdout);
 #endif
-
-	ensure_space( (lispobj *)READ_ONLY_SPACE_START, READ_ONLY_SPACE_SIZE);
-	ensure_space( (lispobj *)STATIC_SPACE_START   , STATIC_SPACE_SIZE);
+    
+    ensure_space( (lispobj *)READ_ONLY_SPACE_START, READ_ONLY_SPACE_SIZE);
+    ensure_space( (lispobj *)STATIC_SPACE_START   , STATIC_SPACE_SIZE);
 #ifdef GENCGC
-	ensure_space( (lispobj *)DYNAMIC_SPACE_START  , DYNAMIC_SPACE_SIZE);
+    ensure_space( (lispobj *)DYNAMIC_SPACE_START  , DYNAMIC_SPACE_SIZE);
 #else
-	ensure_space( (lispobj *)DYNAMIC_0_SPACE_START  , DYNAMIC_SPACE_SIZE);
-	ensure_space( (lispobj *)DYNAMIC_1_SPACE_START  , DYNAMIC_SPACE_SIZE);
+    ensure_space( (lispobj *)DYNAMIC_0_SPACE_START  , DYNAMIC_SPACE_SIZE);
+    ensure_space( (lispobj *)DYNAMIC_1_SPACE_START  , DYNAMIC_SPACE_SIZE);
+#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
-	ensure_space( (lispobj *)CONTROL_STACK_START  , CONTROL_STACK_SIZE);
-	ensure_space( (lispobj *)BINDING_STACK_START  , BINDING_STACK_SIZE);
 
 #ifdef HOLES
-	make_holes();
+    make_holes();
 #endif
 #ifndef GENCGC
-        current_dynamic_space = DYNAMIC_0_SPACE_START;
+    current_dynamic_space = DYNAMIC_0_SPACE_START;
 #endif
-
+    
 #ifdef PRINTNOISE
-	printf(" done.\n");
+    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);
+}
+