Provide __tfork_thread() for hppa64. This makes libc compile again.

ok miod@

1 files changed, 57 insertions, 0 deletions

diff --git a/lib/libc/arch/hppa64/sys/tfork_thread.S b/lib/libc/arch/hppa64/sys/tfork_thread.S
new file mode 100644
index 00000000000..96a8e4a72f6
--- /dev/null
+++ b/lib/libc/arch/hppa64/sys/tfork_thread.S
@@ -0,0 +1,57 @@
+/*	$OpenBSD: tfork_thread.S,v 1.1 2012/04/11 12:27:08 jsing Exp $	*/
+/*
+ * Copyright (c) 2005, Miodrag Vallat
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "SYS.h"
+
+/*
+ * int __tfork_thread(param, void *stack, void (*func)(void *), void *arg);
+ */
+ENTRY(__tfork_thread, 0)
+	SYSCALL(__tfork)
+	comb,<>	%r0, %ret0, 1f
+	 nop
+
+	/*
+	 * In child process: switch stack, invoke function, then exit.
+	 */
+	copy	%arg1, %sp
+	ldo	0(%sp), %r3
+	std,ma	%r0, HPPA_FRAME_SIZE(%sp)
+	std	%r0, HPPA_FRAME_PSP(%sp)
+
+	copy	%arg3, %arg0		/* arg */
+	copy	%arg2, %t1
+	b,l	$$dyncall, %r31
+	copy	%r31, %rp
+
+	copy	%r0, %arg0
+	SYSCALL(__threxit)
+
+1:
+	bv	%r0(%rp)
+	 nop
+
+EXIT(__tfork_thread)