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authorWaldemar Brodkorb <wbx@openadk.org>2017-05-24 20:49:02 +0200
committerWaldemar Brodkorb <wbx@openadk.org>2017-06-23 23:46:04 +0200
commit041cdc2769407c4d3869b218ad7ee7638e1c306e (patch)
tree1ea25250d74dcb230cf5feee99226fc080dbd678 /libc/sysdeps/linux/sparc64/vfork.S
parent58a5ba12bffad5916d9897c2870fc483f1db8282 (diff)
sparc64: add basic support
No NPTL, no LDSO support. Bootup with Busybox Ash in Qemu working. Testuite shows only two failures, but mksh continue/break support doesn't work.
Diffstat (limited to 'libc/sysdeps/linux/sparc64/vfork.S')
-rw-r--r--libc/sysdeps/linux/sparc64/vfork.S36
1 files changed, 36 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/sparc64/vfork.S b/libc/sysdeps/linux/sparc64/vfork.S
new file mode 100644
index 000000000..0e44c2468
--- /dev/null
+++ b/libc/sysdeps/linux/sparc64/vfork.S
@@ -0,0 +1,36 @@
+/* Copyright (C) 2004-2017 Free Software Foundation, Inc.
+ Contributed by Jakub Jelinek <jakub@redhat.com>, 2004.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <sysdep.h>
+
+ .text
+ .globl __syscall_error
+ENTRY(__vfork)
+ LOADSYSCALL(vfork)
+ ta 0x6d
+ bcc,pt %xcc, 2f
+ mov %o7, %g1
+ call __syscall_error
+ mov %g1, %o7
+2: sub %o1, 1, %o1
+ andcc %o0, %o1, %o0
+1: retl
+ nop
+END(__vfork)
+
+weak_alias(__vfork,vfork)
+libc_hidden_def(vfork)