nptl: mips needs updated clone() implementation

Signed-off-by: Andreas Schultz <andreas.schultz@gmail.com>
Signed-off-by: Austin Foxley <austinf@cetoncorp.com>

3 files changed, 50 insertions, 1 deletions

diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/mips/Makefile.arch b/libpthread/nptl/sysdeps/unix/sysv/linux/mips/Makefile.arch
index 8e7917bb0..3042cb480 100644
--- a/libpthread/nptl/sysdeps/unix/sysv/linux/mips/Makefile.arch
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/mips/Makefile.arch
@@ -5,10 +5,11 @@
 # Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
 #
 
-libpthread_SSRC = pt-vfork.S
+libpthread_SSRC = pt-vfork.S clone.S
 libpthread_CSRC = pthread_once.c pt-__syscall_rt_sigaction.c
 
 libc_a_CSRC = fork.c
+libc_a_SSRC = clone.S vfork.S
 
 CFLAGS-OMIT-fork.c = -DNOT_IN_libc=1 -DIS_IN_libpthread=1
 ifeq ($(UCLIBC_HAS_STDIO_FUTEXES),y)
@@ -19,6 +20,9 @@ CFLAGS-pt-__syscall_rt_sigaction.c = -DNOT_IN_libc=1 -DIS_IN_libpthread=1
 
 ASFLAGS-pt-vfork.S = -DNOT_IN_libc=1 -DIS_IN_libpthread=1
 
+ASFLAGS-clone.S = -D_LIBC_REENTRANT
+ASFLAGS-vfork.S = -D_LIBC_REENTRANT
+
 CFLAGS += $(SSP_ALL_CFLAGS)
 #CFLAGS:=$(CFLAGS:-O1=-O2)
 
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/mips/clone.S b/libpthread/nptl/sysdeps/unix/sysv/linux/mips/clone.S
new file mode 100644
index 000000000..858877f07
--- /dev/null
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/mips/clone.S
@@ -0,0 +1,2 @@
+#define RESET_PID
+#include <libc/sysdeps/linux/mips/clone.S>
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/mips/vfork.S b/libpthread/nptl/sysdeps/unix/sysv/linux/mips/vfork.S
new file mode 100644
index 000000000..9d489e303
--- /dev/null
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/mips/vfork.S
@@ -0,0 +1,43 @@
+/* Copyright (C) 2005, 2006 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <features.h>
+#include <tls.h>
+
+/* Save the PID value.  */
+#define SAVE_PID \
+	READ_THREAD_POINTER(v1);	/* Get the thread pointer.  */	\
+	lw	a2, PID_OFFSET(v1);	/* Load the saved PID.  */	\
+	subu	a2, $0, a2;		/* Negate it.  */		\
+	bnez	a2, 1f;			/* If it was zero... */		\
+	lui	a2, 0x8000;		/* use 0x80000000 instead.  */	\
+1:	sw	a2, PID_OFFSET(v1);	/* Store the temporary PID.  */
+
+/* Restore the old PID value in the parent.  */
+#define RESTORE_PID \
+	beqz	v0, 1f;			/* If we are the parent... */	\
+	READ_THREAD_POINTER(v1);	/* Get the thread pointer.  */	\
+	lw	a2, PID_OFFSET(v1);	/* Load the saved PID.  */	\
+	subu	a2, $0, a2;		/* Re-negate it.  */		\
+	lui	a0, 0x8000;		/* Load 0x80000000... */	\
+	bne	a2, a0, 2f;		/* ... compare against it... */	\
+	li	a2, 0;			/* ... use 0 instead.  */	\
+2:	sw	a2, PID_OFFSET(v1);	/* Restore the PID.  */		\
+1:
+
+#include <../../../../../../../libc/sysdeps/linux/mips/vfork.S>