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-rw-r--r--libpthread/nptl/sysdeps/i386/Makefile27
-rw-r--r--libpthread/nptl/sysdeps/i386/Makefile.arch53
-rw-r--r--libpthread/nptl/sysdeps/i386/dl-tls.h60
-rw-r--r--libpthread/nptl/sysdeps/i386/i486/pthread_spin_trylock.S47
-rw-r--r--libpthread/nptl/sysdeps/i386/i586/pthread_spin_trylock.S20
-rw-r--r--libpthread/nptl/sysdeps/i386/i686/Makefile32
-rw-r--r--libpthread/nptl/sysdeps/i386/i686/pthread_spin_trylock.S21
-rw-r--r--libpthread/nptl/sysdeps/i386/i686/tls.h36
-rw-r--r--libpthread/nptl/sysdeps/i386/jmpbuf-unwind.h31
-rw-r--r--libpthread/nptl/sysdeps/i386/pthread_spin_init.c20
-rw-r--r--libpthread/nptl/sysdeps/i386/pthread_spin_lock.c49
-rw-r--r--libpthread/nptl/sysdeps/i386/pthread_spin_unlock.S32
-rw-r--r--libpthread/nptl/sysdeps/i386/pthreaddef.h48
-rw-r--r--libpthread/nptl/sysdeps/i386/sysdep.h156
-rw-r--r--libpthread/nptl/sysdeps/i386/tcb-offsets.sym13
-rw-r--r--libpthread/nptl/sysdeps/i386/tls.h429
16 files changed, 1074 insertions, 0 deletions
diff --git a/libpthread/nptl/sysdeps/i386/Makefile b/libpthread/nptl/sysdeps/i386/Makefile
new file mode 100644
index 000000000..2f0d88f30
--- /dev/null
+++ b/libpthread/nptl/sysdeps/i386/Makefile
@@ -0,0 +1,27 @@
+# Copyright (C) 2002, 2003 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.
+
+ifeq ($(subdir),csu)
+gen-as-const-headers += tcb-offsets.sym
+endif
+
+ifeq ($(subdir),nptl)
+CFLAGS-pthread_create.c += -mpreferred-stack-boundary=4
+CFLAGS-tst-align.c += -mpreferred-stack-boundary=4
+CFLAGS-tst-align2.c += -mpreferred-stack-boundary=4
+endif
diff --git a/libpthread/nptl/sysdeps/i386/Makefile.arch b/libpthread/nptl/sysdeps/i386/Makefile.arch
new file mode 100644
index 000000000..2b9a2dc7c
--- /dev/null
+++ b/libpthread/nptl/sysdeps/i386/Makefile.arch
@@ -0,0 +1,53 @@
+# Makefile for uClibc NPTL
+#
+# Copyright (C) 2005 Steven J. Hill <sjhill@uclibc.org>
+#
+# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+#
+
+libpthread_CSRC = pthread_spin_lock.c
+libpthread_SSRC = i486/pthread_spin_trylock.S
+
+CFLAGS-pthread_spin_lock.c += -D_GNU_SOURCE
+
+CFLAGS-i386 = $(SSP_ALL_CFLAGS)
+#CFLAGS:=$(CFLAGS:-O1=-O2)
+
+PTHREAD_ARCH_DIR := $(top_srcdir)libpthread/nptl/sysdeps/i386/
+PTHREAD_ARCH_OUT := $(top_builddir)libpthread/nptl/sysdeps/i386/
+PTHREAD_ARCH_OBJ := $(patsubst %.S,$(PTHREAD_ARCH_OUT)/%.o,$(libpthread_SSRC))
+PTHREAD_ARCH_OBJ += $(patsubst %.c,$(PTHREAD_ARCH_OUT)/%.o,$(libpthread_CSRC))
+
+ifeq ($(DOPIC),y)
+libpthread-a-y += $(PTHREAD_ARCH_OBJ:.o=.os)
+else
+libpthread-a-y += $(PTHREAD_ARCH_OBJ)
+endif
+libpthread-so-y += $(PTHREAD_ARCH_OBJ:.o=.oS)
+
+libpthread-nomulti-y += $(PTHREAD_ARCH_OBJ)
+
+objclean-y += nptl_arch_clean
+headers_clean-y += nptl_arch_headers_clean
+
+#
+# Create 'tcb-offsets.h' header file.
+#
+CFLAGS-tcb-offsets.c = -S
+
+$(PTHREAD_ARCH_OUT)/tcb-offsets.c: $(PTHREAD_ARCH_DIR)/tcb-offsets.sym
+ $(do_awk) $(top_srcdir)extra/scripts/gen-as-const.awk $< > $@
+
+$(PTHREAD_ARCH_OUT)/tcb-offsets.s: $(PTHREAD_ARCH_OUT)/tcb-offsets.c
+ $(compile.c)
+
+$(PTHREAD_ARCH_OUT)/tcb-offsets.h: $(PTHREAD_ARCH_OUT)/tcb-offsets.s
+ @sed -n "s/^.*@@@name@@@\([^@]*\)@@@value@@@[^0-9Xxa-fA-F-]*\([0-9Xxa-fA-F-][0-9Xxa-fA-F-]*\).*@@@end@@@.*$\/#define \1 \2/p" $< > $@
+
+nptl_arch_headers: $(PTHREAD_ARCH_OUT)/tcb-offsets.h
+
+nptl_arch_headers_clean:
+ $(do_rm) $(addprefix $(PTHREAD_ARCH_OUT)/tcb-offsets., c s h)
+
+nptl_arch_clean:
+ $(do_rm) $(addprefix $(PTHREAD_ARCH_OUT)/*., o os oS)
diff --git a/libpthread/nptl/sysdeps/i386/dl-tls.h b/libpthread/nptl/sysdeps/i386/dl-tls.h
new file mode 100644
index 000000000..a1707197c
--- /dev/null
+++ b/libpthread/nptl/sysdeps/i386/dl-tls.h
@@ -0,0 +1,60 @@
+/* Thread-local storage handling in the ELF dynamic linker. i386 version.
+ Copyright (C) 2002, 2004 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. */
+
+
+/* Type used for the representation of TLS information in the GOT. */
+typedef struct
+{
+ unsigned long int ti_module;
+ unsigned long int ti_offset;
+} tls_index;
+
+
+#ifdef SHARED
+/* This is the prototype for the GNU version. */
+extern void *___tls_get_addr (tls_index *ti)
+ __attribute__ ((__regparm__ (1)));
+extern void *___tls_get_addr_internal (tls_index *ti)
+ __attribute__ ((__regparm__ (1))) attribute_hidden;
+
+# ifdef IS_IN_rtld
+/* The special thing about the x86 TLS ABI is that we have two
+ variants of the __tls_get_addr function with different calling
+ conventions. The GNU version, which we are mostly concerned here,
+ takes the parameter in a register. The name is changed by adding
+ an additional underscore at the beginning. The Sun version uses
+ the normal calling convention. */
+void *
+__tls_get_addr (tls_index *ti)
+{
+ return ___tls_get_addr_internal (ti);
+}
+
+
+/* Prepare using the definition of __tls_get_addr in the generic
+ version of this file. */
+# define __tls_get_addr __attribute__ ((__regparm__ (1))) ___tls_get_addr
+strong_alias (___tls_get_addr, ___tls_get_addr_internal)
+#else
+
+/* Users should get the better interface. */
+# define __tls_get_addr ___tls_get_addr
+
+# endif
+#endif
diff --git a/libpthread/nptl/sysdeps/i386/i486/pthread_spin_trylock.S b/libpthread/nptl/sysdeps/i386/i486/pthread_spin_trylock.S
new file mode 100644
index 000000000..e30072c3d
--- /dev/null
+++ b/libpthread/nptl/sysdeps/i386/i486/pthread_spin_trylock.S
@@ -0,0 +1,47 @@
+/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+ 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 <pthread-errnos.h>
+
+
+#ifdef UP
+# define LOCK
+#else
+# define LOCK lock
+#endif
+
+ .globl pthread_spin_trylock
+ .type pthread_spin_trylock,@function
+ .align 16
+pthread_spin_trylock:
+ movl 4(%esp), %edx
+ movl $1, %eax
+ xorl %ecx, %ecx
+ LOCK
+ cmpxchgl %ecx, (%edx)
+ movl $EBUSY, %eax
+#ifdef HAVE_CMOV
+ cmovel %ecx, %eax
+#else
+ jne 0f
+ movl %ecx, %eax
+0:
+#endif
+ ret
+ .size pthread_spin_trylock,.-pthread_spin_trylock
diff --git a/libpthread/nptl/sysdeps/i386/i586/pthread_spin_trylock.S b/libpthread/nptl/sysdeps/i386/i586/pthread_spin_trylock.S
new file mode 100644
index 000000000..ffe3d456b
--- /dev/null
+++ b/libpthread/nptl/sysdeps/i386/i586/pthread_spin_trylock.S
@@ -0,0 +1,20 @@
+/* Copyright (C) 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+ 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 "../i486/pthread_spin_trylock.S"
diff --git a/libpthread/nptl/sysdeps/i386/i686/Makefile b/libpthread/nptl/sysdeps/i386/i686/Makefile
new file mode 100644
index 000000000..137c0a2f0
--- /dev/null
+++ b/libpthread/nptl/sysdeps/i386/i686/Makefile
@@ -0,0 +1,32 @@
+# Copyright (C) 2003 Free Software Foundation, Inc.
+# This file is part of the GNU C Library.
+# Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+# 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.
+
+ifeq ($(subdir),nptl)
+# It turns out that stack coloring is in general not good on P4s. Some
+# applications will benefit. We will probably have a configuration option
+# at some point. Enabling coloring can be done with
+#
+# -DCOLORING_INCREMENT=128
+#
+# What is useful is to avoid the 64k aliasing problem which reliably
+# happens if all stacks use sizes which are a multiple of 64k. Tell
+# the stack allocator to disturb this by allocation one more page if
+# necessary.
+CFLAGS-pthread_create.c += -DMULTI_PAGE_ALIASING=65536
+endif
diff --git a/libpthread/nptl/sysdeps/i386/i686/pthread_spin_trylock.S b/libpthread/nptl/sysdeps/i386/i686/pthread_spin_trylock.S
new file mode 100644
index 000000000..a5d861f92
--- /dev/null
+++ b/libpthread/nptl/sysdeps/i386/i686/pthread_spin_trylock.S
@@ -0,0 +1,21 @@
+/* Copyright (C) 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+ 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. */
+
+#define HAVE_CMOV 1
+#include "../i486/pthread_spin_trylock.S"
diff --git a/libpthread/nptl/sysdeps/i386/i686/tls.h b/libpthread/nptl/sysdeps/i386/i686/tls.h
new file mode 100644
index 000000000..4025ed8d2
--- /dev/null
+++ b/libpthread/nptl/sysdeps/i386/i686/tls.h
@@ -0,0 +1,36 @@
+/* Copyright (C) 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+ 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. */
+
+#ifndef _TLS_H
+
+/* Additional definitions for <tls.h> on i686 and up. */
+
+
+/* Macros to load from and store into segment registers. We can use
+ the 32-bit instructions. */
+#define TLS_GET_GS() \
+ ({ int __seg; __asm ("movl %%gs, %0" : "=q" (__seg)); __seg; })
+#define TLS_SET_GS(val) \
+ __asm ("movl %0, %%gs" :: "q" (val))
+
+
+/* Get the full set of definitions. */
+#include "../tls.h"
+
+#endif /* tls.h */
diff --git a/libpthread/nptl/sysdeps/i386/jmpbuf-unwind.h b/libpthread/nptl/sysdeps/i386/jmpbuf-unwind.h
new file mode 100644
index 000000000..5cef8b1cf
--- /dev/null
+++ b/libpthread/nptl/sysdeps/i386/jmpbuf-unwind.h
@@ -0,0 +1,31 @@
+/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
+
+ 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 <setjmp.h>
+#include <stdint.h>
+#include <unwind.h>
+
+#define _JMPBUF_CFA_UNWINDS_ADJ(_jmpbuf, _context, _adj) \
+ _JMPBUF_UNWINDS_ADJ (_jmpbuf, (void *) _Unwind_GetCFA (_context), _adj)
+
+#define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \
+ ((uintptr_t) (_address) - (_adj) < (uintptr_t) (_jmpbuf)[JB_SP] - (_adj))
+
+/* We use the normal lobngjmp for unwinding. */
+#define __libc_unwind_longjmp(buf, val) __libc_longjmp (buf, val)
diff --git a/libpthread/nptl/sysdeps/i386/pthread_spin_init.c b/libpthread/nptl/sysdeps/i386/pthread_spin_init.c
new file mode 100644
index 000000000..0a47981aa
--- /dev/null
+++ b/libpthread/nptl/sysdeps/i386/pthread_spin_init.c
@@ -0,0 +1,20 @@
+/* Copyright (C) 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+ 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. */
+
+/* Not needed. pthread_spin_init is an alias for pthread_spin_unlock. */
diff --git a/libpthread/nptl/sysdeps/i386/pthread_spin_lock.c b/libpthread/nptl/sysdeps/i386/pthread_spin_lock.c
new file mode 100644
index 000000000..da859cc9f
--- /dev/null
+++ b/libpthread/nptl/sysdeps/i386/pthread_spin_lock.c
@@ -0,0 +1,49 @@
+/* Copyright (C) 2002,2003,2004 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+ 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 "pthreadP.h"
+
+#ifndef LOCK_PREFIX
+# ifdef UP
+# define LOCK_PREFIX /* nothing */
+# else
+# define LOCK_PREFIX "lock;"
+# endif
+#endif
+
+
+int
+pthread_spin_lock (lock)
+ pthread_spinlock_t *lock;
+{
+ __asm__ ("\n"
+ "1:\t" LOCK_PREFIX "decl %0\n\t"
+ "jne 2f\n\t"
+ ".subsection 1\n\t"
+ ".align 16\n"
+ "2:\trep; nop\n\t"
+ "cmpl $0, %0\n\t"
+ "jg 1b\n\t"
+ "jmp 2b\n\t"
+ ".previous"
+ : "=m" (*lock)
+ : "m" (*lock));
+
+ return 0;
+}
diff --git a/libpthread/nptl/sysdeps/i386/pthread_spin_unlock.S b/libpthread/nptl/sysdeps/i386/pthread_spin_unlock.S
new file mode 100644
index 000000000..d94f1e7b8
--- /dev/null
+++ b/libpthread/nptl/sysdeps/i386/pthread_spin_unlock.S
@@ -0,0 +1,32 @@
+/* Copyright (C) 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+ 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. */
+
+ .globl pthread_spin_unlock
+ .type pthread_spin_unlock,@function
+ .align 16
+pthread_spin_unlock:
+ movl 4(%esp), %eax
+ movl $1, (%eax)
+ xorl %eax, %eax
+ ret
+ .size pthread_spin_unlock,.-pthread_spin_unlock
+
+ /* The implementation of pthread_spin_init is identical. */
+ .globl pthread_spin_init
+pthread_spin_init = pthread_spin_unlock
diff --git a/libpthread/nptl/sysdeps/i386/pthreaddef.h b/libpthread/nptl/sysdeps/i386/pthreaddef.h
new file mode 100644
index 000000000..81456a4fc
--- /dev/null
+++ b/libpthread/nptl/sysdeps/i386/pthreaddef.h
@@ -0,0 +1,48 @@
+/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+ 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. */
+
+/* Default stack size. */
+#define ARCH_STACK_DEFAULT_SIZE (2 * 1024 * 1024)
+
+/* Required stack pointer alignment at beginning. SSE requires 16
+ bytes. */
+#define STACK_ALIGN 16
+
+/* Minimal stack size after allocating thread descriptor and guard size. */
+#define MINIMAL_REST_STACK 2048
+
+/* Alignment requirement for TCB. */
+#define TCB_ALIGNMENT 16
+
+
+/* Location of current stack frame. */
+#define CURRENT_STACK_FRAME __builtin_frame_address (0)
+
+
+/* XXX Until we have a better place keep the definitions here. */
+
+/* While there is no such syscall. */
+#define __exit_thread_inline(val) \
+ while (1) { \
+ if (__builtin_constant_p (val) && (val) == 0) \
+ __asm__ volatile ("xorl %%ebx, %%ebx; int $0x80" :: "a" (__NR_exit)); \
+ else \
+ __asm__ volatile ("movl %1, %%ebx; int $0x80" \
+ :: "a" (__NR_exit), "r" (val)); \
+ }
diff --git a/libpthread/nptl/sysdeps/i386/sysdep.h b/libpthread/nptl/sysdeps/i386/sysdep.h
new file mode 100644
index 000000000..7f278905f
--- /dev/null
+++ b/libpthread/nptl/sysdeps/i386/sysdep.h
@@ -0,0 +1,156 @@
+/* Assembler macros for i386.
+ Copyright (C) 1991-93,95,96,98,2002,2003,2005,2006
+ 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 <sysdeps/generic/sysdep.h>
+
+#ifdef __ASSEMBLER__
+
+/* Syntactic details of assembler. */
+
+/* ELF uses byte-counts for .align, most others use log2 of count of bytes. */
+#define ALIGNARG(log2) 1<<log2
+/* For ELF we need the `.type' directive to make shared libs work right. */
+#define ASM_TYPE_DIRECTIVE(name,typearg) .type name,typearg;
+#define ASM_SIZE_DIRECTIVE(name) .size name,.-name;
+
+/* In ELF C symbols are asm symbols. */
+#undef NO_UNDERSCORES
+#define NO_UNDERSCORES
+
+/* Define an entry point visible from C.
+
+ There is currently a bug in gdb which prevents us from specifying
+ incomplete stabs information. Fake some entries here which specify
+ the current source file. */
+#define ENTRY(name) \
+ STABS_CURRENT_FILE1("") \
+ STABS_CURRENT_FILE(name) \
+ ASM_GLOBAL_DIRECTIVE C_SYMBOL_NAME(name); \
+ ASM_TYPE_DIRECTIVE (C_SYMBOL_NAME(name),@function) \
+ .align ALIGNARG(4); \
+ STABS_FUN(name) \
+ C_LABEL(name) \
+ cfi_startproc; \
+ CALL_MCOUNT
+
+#undef END
+#define END(name) \
+ cfi_endproc; \
+ ASM_SIZE_DIRECTIVE(name) \
+ STABS_FUN_END(name)
+
+#ifdef HAVE_CPP_ASM_DEBUGINFO
+/* Disable that goop, because we just pass -g through to the assembler
+ and it generates proper line number information directly. */
+# define STABS_CURRENT_FILE1(name)
+# define STABS_CURRENT_FILE(name)
+# define STABS_FUN(name)
+# define STABS_FUN_END(name)
+#else
+/* Remove the following two lines once the gdb bug is fixed. */
+#define STABS_CURRENT_FILE(name) \
+ STABS_CURRENT_FILE1 (#name)
+#define STABS_CURRENT_FILE1(name) \
+ 1: .stabs name,100,0,0,1b;
+/* Emit stabs definition lines. We use F(0,1) and define t(0,1) as `int',
+ the same way gcc does it. */
+#define STABS_FUN(name) STABS_FUN2(name, name##:F(0,1))
+#define STABS_FUN2(name, namestr) \
+ .stabs "int:t(0,1)=r(0,1);-2147483648;2147483647;",128,0,0,0; \
+ .stabs #namestr,36,0,0,name;
+#define STABS_FUN_END(name) \
+ 1: .stabs "",36,0,0,1b-name;
+#endif
+
+/* If compiled for profiling, call `mcount' at the start of each function. */
+#ifdef PROF
+/* The mcount code relies on a normal frame pointer being on the stack
+ to locate our caller, so push one just for its benefit. */
+#define CALL_MCOUNT \
+ pushl %ebp; cfi_adjust_cfa_offset (4); movl %esp, %ebp; \
+ cfi_def_cfa_register (ebp); call JUMPTARGET(mcount); \
+ popl %ebp; cfi_def_cfa (esp, 4);
+#else
+#define CALL_MCOUNT /* Do nothing. */
+#endif
+
+#ifdef NO_UNDERSCORES
+/* Since C identifiers are not normally prefixed with an underscore
+ on this system, the asm identifier `syscall_error' intrudes on the
+ C name space. Make sure we use an innocuous name. */
+#define syscall_error __syscall_error
+#define mcount _mcount
+#endif
+
+#define PSEUDO(name, syscall_name, args) \
+ .globl syscall_error; \
+lose: SYSCALL_PIC_SETUP \
+ jmp JUMPTARGET(syscall_error); \
+ ENTRY (name) \
+ DO_CALL (syscall_name, args); \
+ jb lose
+
+#undef PSEUDO_END
+#define PSEUDO_END(name) \
+ END (name)
+
+#undef JUMPTARGET
+#ifdef PIC
+#define JUMPTARGET(name) name##@PLT
+#define SYSCALL_PIC_SETUP \
+ pushl %ebx; \
+ cfi_adjust_cfa_offset (4); \
+ call 0f; \
+0: popl %ebx; \
+ cfi_adjust_cfa_offset (-4); \
+ addl $_GLOBAL_OFFSET_TABLE+[.-0b], %ebx;
+
+# define SETUP_PIC_REG(reg) \
+ .ifndef __i686.get_pc_thunk.reg; \
+ .section .gnu.linkonce.t.__i686.get_pc_thunk.reg,"ax",@progbits; \
+ .globl __i686.get_pc_thunk.reg; \
+ .hidden __i686.get_pc_thunk.reg; \
+ .type __i686.get_pc_thunk.reg,@function; \
+__i686.get_pc_thunk.reg: \
+ movl (%esp), %e##reg; \
+ ret; \
+ .size __i686.get_pc_thunk.reg, . - __i686.get_pc_thunk.reg; \
+ .previous; \
+ .endif; \
+ call __i686.get_pc_thunk.reg
+
+# define LOAD_PIC_REG(reg) \
+ SETUP_PIC_REG(reg); addl $_GLOBAL_OFFSET_TABLE_, %e##reg
+
+#else
+#define JUMPTARGET(name) name
+#define SYSCALL_PIC_SETUP /* Nothing. */
+#endif
+
+/* Local label name for asm code. */
+#ifndef L
+#ifdef HAVE_ELF
+#define L(name) .L##name
+#else
+#define L(name) name
+#endif
+#endif
+
+#endif /* __ASSEMBLER__ */
diff --git a/libpthread/nptl/sysdeps/i386/tcb-offsets.sym b/libpthread/nptl/sysdeps/i386/tcb-offsets.sym
new file mode 100644
index 000000000..4e0444ba3
--- /dev/null
+++ b/libpthread/nptl/sysdeps/i386/tcb-offsets.sym
@@ -0,0 +1,13 @@
+#include <sysdep.h>
+#include <tls.h>
+
+RESULT offsetof (struct pthread, result)
+TID offsetof (struct pthread, tid)
+PID offsetof (struct pthread, pid)
+CANCELHANDLING offsetof (struct pthread, cancelhandling)
+CLEANUP_JMP_BUF offsetof (struct pthread, cleanup_jmp_buf)
+MULTIPLE_THREADS_OFFSET offsetof (tcbhead_t, multiple_threads)
+SYSINFO_OFFSET offsetof (tcbhead_t, sysinfo)
+CLEANUP offsetof (struct pthread, cleanup)
+CLEANUP_PREV offsetof (struct _pthread_cleanup_buffer, __prev)
+MUTEX_FUTEX offsetof (pthread_mutex_t, __data.__lock)
diff --git a/libpthread/nptl/sysdeps/i386/tls.h b/libpthread/nptl/sysdeps/i386/tls.h
new file mode 100644
index 000000000..52bde9eec
--- /dev/null
+++ b/libpthread/nptl/sysdeps/i386/tls.h
@@ -0,0 +1,429 @@
+/* Definition for thread-local data handling. nptl/i386 version.
+ Copyright (C) 2002, 2003, 2004, 2005 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. */
+
+#ifndef _TLS_H
+#define _TLS_H 1
+
+#ifndef __ASSEMBLER__
+# include <stdbool.h>
+# include <stddef.h>
+# include <stdint.h>
+# include <stdlib.h>
+# include <list.h>
+
+
+/* Type for the dtv. */
+typedef union dtv
+{
+ size_t counter;
+ struct
+ {
+ void *val;
+ bool is_static;
+ } pointer;
+} dtv_t;
+
+
+typedef struct
+{
+ void *tcb; /* Pointer to the TCB. Not necessarily the
+ thread descriptor used by libpthread. */
+ dtv_t *dtv;
+ void *self; /* Pointer to the thread descriptor. */
+ int multiple_threads;
+ uintptr_t sysinfo;
+ uintptr_t stack_guard;
+} tcbhead_t;
+
+# define TLS_MULTIPLE_THREADS_IN_TCB 1
+
+#else /* __ASSEMBLER__ */
+# include <tcb-offsets.h>
+#endif
+
+
+/* We require TLS support in the tools. */
+#define HAVE_TLS_SUPPORT
+#define HAVE___THREAD 1
+#define HAVE_TLS_MODEL_ATTRIBUTE 1
+
+/* Signal that TLS support is available. */
+#define USE_TLS 1
+
+/* Alignment requirement for the stack. For IA-32 this is governed by
+ the SSE memory functions. */
+#define STACK_ALIGN 16
+
+#ifndef __ASSEMBLER__
+/* Get system call information. */
+# include <sysdep.h>
+
+/* The old way: using LDT. */
+
+/* Structure passed to `modify_ldt', 'set_thread_area', and 'clone' calls. */
+struct user_desc
+{
+ unsigned int entry_number;
+ unsigned long int base_addr;
+ unsigned int limit;
+ unsigned int seg_32bit:1;
+ unsigned int contents:2;
+ unsigned int read_exec_only:1;
+ unsigned int limit_in_pages:1;
+ unsigned int seg_not_present:1;
+ unsigned int useable:1;
+ unsigned int empty:25;
+};
+
+/* Initializing bit fields is slow. We speed it up by using a union. */
+union user_desc_init
+{
+ struct user_desc desc;
+ unsigned int vals[4];
+};
+
+
+/* This is the size of the initial TCB. Can't be just sizeof (tcbhead_t),
+ because NPTL getpid, __libc_alloca_cutoff etc. need (almost) the whole
+ struct pthread even when not linked with -lpthread. */
+# define TLS_INIT_TCB_SIZE sizeof (struct pthread)
+
+/* Alignment requirements for the initial TCB. */
+# define TLS_INIT_TCB_ALIGN __alignof__ (struct pthread)
+
+/* This is the size of the TCB. */
+# define TLS_TCB_SIZE sizeof (struct pthread)
+
+/* Alignment requirements for the TCB. */
+# define TLS_TCB_ALIGN __alignof__ (struct pthread)
+
+/* Get the thread descriptor definition. */
+#include <descr.h>
+
+/* The TCB can have any size and the memory following the address the
+ thread pointer points to is unspecified. Allocate the TCB there. */
+# define TLS_TCB_AT_TP 1
+
+
+/* Install the dtv pointer. The pointer passed is to the element with
+ index -1 which contain the length. */
+# define INSTALL_DTV(descr, dtvp) \
+ ((tcbhead_t *) (descr))->dtv = (dtvp) + 1
+
+/* Install new dtv for current thread. */
+# define INSTALL_NEW_DTV(dtvp) \
+ ({ struct pthread *__pd; \
+ THREAD_SETMEM (__pd, header.dtv, (dtvp)); })
+
+/* Return dtv of given thread descriptor. */
+# define GET_DTV(descr) \
+ (((tcbhead_t *) (descr))->dtv)
+</