[src/trunk]: src/lib/libexecinfo flesh out _Unwind_Exception, rust needs it.

[christos <christos%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/42cee2e381c6
branches:  trunk
changeset: 349684:42cee2e381c6
user:      christos <christos%NetBSD.org@localhost>
date:      Mon Dec 19 01:24:40 2016 +0000

description:
flesh out _Unwind_Exception, rust needs it.

diffstat:

 lib/libexecinfo/unwind.h |  13 +++++++++++--
 1 files changed, 11 insertions(+), 2 deletions(-)

diffs (34 lines):

diff -r 99a1b9742f62 -r 42cee2e381c6 lib/libexecinfo/unwind.h
--- a/lib/libexecinfo/unwind.h  Sun Dec 18 19:39:05 2016 +0000
+++ b/lib/libexecinfo/unwind.h  Mon Dec 19 01:24:40 2016 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: unwind.h,v 1.4 2016/12/02 19:25:19 christos Exp $      */
+/*     $NetBSD: unwind.h,v 1.5 2016/12/19 01:24:40 christos Exp $      */
 
 /*-
  * Copyright (c) 2012 The NetBSD Foundation, Inc.
@@ -28,7 +28,8 @@
 #ifndef _UNWIND_H_
 #define _UNWIND_H_
 
-#include <sys/cdefs.h>
+#include <stddef.h>
+#include <stdint.h>
 
 __BEGIN_DECLS
 struct _Unwind_Context;
@@ -54,6 +55,14 @@
 #define        _URC_INSTALL_CONTEXT            7
 #define        _URC_CONTINUE_UNWIND            8
 
+struct _Unwind_Exception {
+       uint64_t exception_class;
+       void (*exception_cleanup)(_Unwind_Reason_Code,
+           struct _Unwind_Exception *);
+       uintptr_t private_1;
+       uintptr_t private_2;
+} __attribute__((__aligned__));
+
 typedef _Unwind_Reason_Code
     (*_Unwind_Trace_Fn)(struct _Unwind_Context *, void *);
 #ifdef notyet