0.8.16.26:

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

diff --git a/src/runtime/validate.c b/src/runtime/validate.c
index b8bf283..2c01436 100644 (file)
--- a/src/runtime/validate.c
+++ b/src/runtime/validate.c
@@ -30,6 +30,8 @@ ensure_space(lispobj *start, unsigned long size)
                "ensure_space: failed to validate %ld bytes at 0x%08lx\n",
                size,
                (unsigned long)start);
+       fprintf(stderr,
+               "(hint: Try \"ulimit -a\"; maybe you should increase memory limits.)\n");
        exit(1);
     }
 }
@@ -51,6 +53,10 @@ validate(void)
     ensure_space( (lispobj *)DYNAMIC_1_SPACE_START  , DYNAMIC_SPACE_SIZE);
 #endif
 
+#ifdef LISP_FEATURE_LINKAGE_TABLE
+    ensure_space( (lispobj *)LINKAGE_TABLE_SPACE_START, LINKAGE_TABLE_SPACE_SIZE);
+#endif
+ 
 #ifdef PRINTNOISE
     printf(" done.\n");
 #endif
@@ -63,3 +69,9 @@ void protect_control_stack_guard_page(pid_t t_id, int protect_p) {
               (OS_VM_PROT_READ|OS_VM_PROT_EXECUTE) : OS_VM_PROT_ALL);
 }
 
+void protect_control_stack_return_guard_page(pid_t t_id, int protect_p) {
+    struct thread *th = find_thread_by_pid(t_id);
+    os_protect(CONTROL_STACK_RETURN_GUARD_PAGE(th),
+              os_vm_page_size,protect_p ?
+              (OS_VM_PROT_READ|OS_VM_PROT_EXECUTE) : OS_VM_PROT_ALL);
+}