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authorAndreas Schultz <andreas.schultz@gmail.com>2010-04-27 08:43:43 -0700
committerAustin Foxley <austinf@cetoncorp.com>2010-04-27 08:43:43 -0700
commitc06dab26652af40a8780790e48bcef1c64aaeb83 (patch)
tree09a6efdc3792b600706bbe3eb09181c0f2c5821c /libpthread/nptl/sysdeps
parent6b5c1209608589b4ac210c6ab46d034bd221a752 (diff)
nptl: mips needs updated clone() implementation
Signed-off-by: Andreas Schultz <andreas.schultz@gmail.com> Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
Diffstat (limited to 'libpthread/nptl/sysdeps')
-rw-r--r--libpthread/nptl/sysdeps/unix/sysv/linux/mips/Makefile.arch6
-rw-r--r--libpthread/nptl/sysdeps/unix/sysv/linux/mips/clone.S2
-rw-r--r--libpthread/nptl/sysdeps/unix/sysv/linux/mips/vfork.S43
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>