diff options
| author |   kettenis <kettenis@openbsd.org> | 2012-04-11 18:36:57 +0000 |
|---|---|---|
| committer | kettenis <kettenis@openbsd.org> | 2012-04-11 18:36:57 +0000 |
| commit | 6df0f8ce86b1074bf0dc0672fba71a58fdce4db9 (patch) | |
| tree | 8ccfc56896ba126589899b9ba281a315ccc5cc3e /lib/libc | |
| parent | make has had heuristics to avoid parallel make recursion. (diff) | |
| download | wireguard-openbsd-6df0f8ce86b1074bf0dc0672fba71a58fdce4db9.tar.xz wireguard-openbsd-6df0f8ce86b1074bf0dc0672fba71a58fdce4db9.zip | |
Mark outermost frame such that backtraces in thread terminate at
__tfork_thread().
ok guenther@
Diffstat (limited to 'lib/libc')
| -rw-r--r-- | lib/libc/arch/i386/sys/tfork_thread.S | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/libc/arch/i386/sys/tfork_thread.S b/lib/libc/arch/i386/sys/tfork_thread.S index bc4feddc3ce..4b7de1b030c 100644 --- a/lib/libc/arch/i386/sys/tfork_thread.S +++ b/lib/libc/arch/i386/sys/tfork_thread.S @@ -1,4 +1,4 @@ -/* $OpenBSD: tfork_thread.S,v 1.1 2012/03/22 00:44:55 guenther Exp $ */ +/* $OpenBSD: tfork_thread.S,v 1.2 2012/04/11 18:36:57 kettenis Exp $ */ /*- * Copyright (c) 2000 Peter Wemm <peter@FreeBSD.org> * All rights reserved. @@ -91,7 +91,8 @@ ENTRY(__tfork_thread) * returns, then call __exit. */ 1: - movl %esi,%esp + xorl %ebp, %ebp # mark outermost frame + movl %esi, %esp popl %eax call *%eax addl $4, %esp |