X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fruntime%2Fvalidate.c;h=d88d17df03dc98828b0aa25b360b060b18005f54;hb=4ed3f0d08c3a57a6762018d9622f253ab9d0f2b6;hp=cf91204e080f1fcca05fcc113017eb01d0bf32b6;hpb=dfa55a883f94470267b626dae77ce7e7dfac3df6;p=sbcl.git

diff --git a/src/runtime/validate.c b/src/runtime/validate.c
index cf91204..d88d17d 100644
--- a/src/runtime/validate.c
+++ b/src/runtime/validate.c
@@ -14,13 +14,16 @@
  */
 
 #include <stdio.h>
+#include <stdlib.h>
+
 #include "runtime.h"
 #include "os.h"
 #include "globals.h"
 #include "sbcl.h"
 #include "validate.h"
 
-static void ensure_space(lispobj *start, unsigned long size)
+static void
+ensure_space(lispobj *start, unsigned long size)
 {
     if (os_validate((os_vm_address_t)start,(os_vm_size_t)size)==NULL) {
 	fprintf(stderr,
@@ -35,7 +38,8 @@ static void ensure_space(lispobj *start, unsigned long size)
 
 static os_vm_address_t holes[] = HOLES;
 
-static void make_holes(void)
+static void
+make_holes(void)
 {
     int i;
 
@@ -52,32 +56,36 @@ static void make_holes(void)
 }
 #endif
 
-void validate(void)
+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);
-#ifdef GENCGC
-	ensure_space( (lispobj *)DYNAMIC_SPACE_START  , DYNAMIC_SPACE_SIZE);
+    
+    ensure_space( (lispobj *)READ_ONLY_SPACE_START, READ_ONLY_SPACE_SIZE);
+    ensure_space( (lispobj *)STATIC_SPACE_START   , STATIC_SPACE_SIZE);
+#ifdef LISP_FEATURE_GENCGC
+    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 HOLES
-	make_holes();
+    make_holes();
 #endif
-#ifndef GENCGC
-	current_dynamic_space = DYNAMIC_0_SPACE_START;
-#endif
-
+    
 #ifdef PRINTNOISE
-	printf(" done.\n");
+    printf(" done.\n");
 #endif
 }
+
+void protect_control_stack_guard_page(pid_t t_id, int protect_p) {
+    struct thread *th = find_thread_by_pid(t_id);
+    os_protect(CONTROL_STACK_GUARD_PAGE(th),
+	       os_vm_page_size,protect_p ?
+	       (OS_VM_PROT_READ|OS_VM_PROT_EXECUTE) : OS_VM_PROT_ALL);
+}
+