diff options
| author |   guenther <guenther@openbsd.org> | 2011-10-13 05:29:51 +0000 |
|---|---|---|
| committer | guenther <guenther@openbsd.org> | 2011-10-13 05:29:51 +0000 |
| commit | 10943c4736904ee55593ad80cb13eb83629b84d6 (patch) | |
| tree | f44dcbeafbde807d6925f043e25df394b6d32068 /lib/librthread/arch/sparc64 | |
| parent | Remove support for systems that lack CPUs. (i.e., stop looking up (diff) | |
| download | wireguard-openbsd-10943c4736904ee55593ad80cb13eb83629b84d6.tar.xz wireguard-openbsd-10943c4736904ee55593ad80cb13eb83629b84d6.zip | |
Increase the stack offset for the new rthread from (BIAS+128) to
(BIAD+CC64FSZ) so that there's sufficient space even when _rthread_start
is compiled without optimization. Also, clear the frame pointer
to help make gdb happier.
ok kettenis@
Diffstat (limited to 'lib/librthread/arch/sparc64')
| -rw-r--r-- | lib/librthread/arch/sparc64/rfork_thread.S | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/lib/librthread/arch/sparc64/rfork_thread.S b/lib/librthread/arch/sparc64/rfork_thread.S index f6b1788a8d5..9df22a351a0 100644 --- a/lib/librthread/arch/sparc64/rfork_thread.S +++ b/lib/librthread/arch/sparc64/rfork_thread.S @@ -1,4 +1,4 @@ -/* $OpenBSD: rfork_thread.S,v 1.1 2005/12/25 16:21:01 miod Exp $ */ +/* $OpenBSD: rfork_thread.S,v 1.2 2011/10/13 05:29:51 guenther Exp $ */ /* * Copyright (c) 2005, Miodrag Vallat @@ -57,9 +57,10 @@ ENTRY(rfork_thread) * In child process: switch stack, invoke function, then exit. */ - sub %o4, (BIAS + 128), %sp /* stack */ - call %o2 /* func */ - mov %o3, %o0 /* arg */ + mov %g0, %fp /* clear frame pointer */ + sub %o4, (BIAS + CC64FSZ), %sp /* stack */ + call %o2 /* func */ + mov %o3, %o0 /* arg */ mov SYS_threxit, %g1 clr %o0 |