Module Name: src
Committed By: yamt
Date: Wed May 27 12:08:36 UTC 2009
Modified Files:
src/sys/sys: lwp.h
Log Message:
add a comment about USER_TO_UAREA/UAREA_TO_USER.
To generate a diff of this commit:
cvs rdiff -u -r1.118 -r1.119 src/sys/sys/lwp.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/sys/lwp.h
diff -u src/sys/sys/lwp.h:1.118 src/sys/sys/lwp.h:1.119
--- src/sys/sys/lwp.h:1.118 Sat May 23 17:08:05 2009
+++ src/sys/sys/lwp.h Wed May 27 12:08:35 2009
@@ -1,4 +1,4 @@
-/* $NetBSD: lwp.h,v 1.118 2009/05/23 17:08:05 ad Exp $ */
+/* $NetBSD: lwp.h,v 1.119 2009/05/27 12:08:35 yamt Exp $ */
/*-
* Copyright (c) 2001, 2006, 2007, 2008, 2009 The NetBSD Foundation, Inc.
@@ -181,6 +181,14 @@
uint64_t *l_syscall_counter; /* !: counter for current process */
};
+/*
+ * USER_TO_UAREA/UAREA_TO_USER: macros to convert between
+ * the lowest address of the uarea (UAREA) and lwp::l_addr (USER).
+ *
+ * the default is just a cast. MD code can modify it by defining
+ * either these macros or UAREA_USER_OFFSET in <machine/proc.h>.
+ */
+
#if !defined(USER_TO_UAREA)
#if !defined(UAREA_USER_OFFSET)
#define UAREA_USER_OFFSET 0
