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-rw-r--r--libpthread/nptl/sysdeps/unix/sysv/linux/kvx/Makefile13
-rw-r--r--libpthread/nptl/sysdeps/unix/sysv/linux/kvx/Makefile.arch14
-rw-r--r--libpthread/nptl/sysdeps/unix/sysv/linux/kvx/bits/pthreadtypes.h166
-rw-r--r--libpthread/nptl/sysdeps/unix/sysv/linux/kvx/bits/semaphore.h30
-rw-r--r--libpthread/nptl/sysdeps/unix/sysv/linux/kvx/createthread.c14
-rw-r--r--libpthread/nptl/sysdeps/unix/sysv/linux/kvx/fork.c11
-rw-r--r--libpthread/nptl/sysdeps/unix/sysv/linux/kvx/pthread_once.c77
-rw-r--r--libpthread/nptl/sysdeps/unix/sysv/linux/kvx/sysdep-cancel.h43
8 files changed, 368 insertions, 0 deletions
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/kvx/Makefile b/libpthread/nptl/sysdeps/unix/sysv/linux/kvx/Makefile
new file mode 100644
index 000000000..0d6f2f45d
--- /dev/null
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/kvx/Makefile
@@ -0,0 +1,13 @@
+# Makefile for uClibc NPTL
+#
+# Copyright (C) 2019 Kalray
+#
+# Licensed under the LGPL v2.1 or later, see the file COPYING.LIB in this tarball.
+#
+
+top_srcdir=../../../../../../../
+top_builddir=../../../../../../../
+all: objs
+include $(top_builddir)Rules.mak
+include Makefile.arch
+include $(top_srcdir)Makerules
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/kvx/Makefile.arch b/libpthread/nptl/sysdeps/unix/sysv/linux/kvx/Makefile.arch
new file mode 100644
index 000000000..8af56320c
--- /dev/null
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/kvx/Makefile.arch
@@ -0,0 +1,14 @@
+# Makefile for uClibc NPTL
+#
+# Copyright (C) 2019 Kalray
+#
+# Licensed under the LGPL v2.1 or later, see the file COPYING.LIB in this tarball.
+#
+
+libpthread_linux_arch_SSRC =
+libpthread_linux_arch_CSRC = pthread_once.c
+
+libc_linux_arch_CSRC = fork.c
+
+CFLAGS += $(SSP_ALL_CFLAGS)
+
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/kvx/bits/pthreadtypes.h b/libpthread/nptl/sysdeps/unix/sysv/linux/kvx/bits/pthreadtypes.h
new file mode 100644
index 000000000..e1bfe51cf
--- /dev/null
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/kvx/bits/pthreadtypes.h
@@ -0,0 +1,166 @@
+/*
+ * This file is subject to the terms and conditions of the LGPL V2.1
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2019 Kalray Inc.
+ */
+
+#ifndef _BITS_PTHREADTYPES_H
+#define _BITS_PTHREADTYPES_H 1
+
+#include <endian.h>
+
+#define __SIZEOF_PTHREAD_ATTR_T 64
+#define __SIZEOF_PTHREAD_MUTEX_T 48
+#define __SIZEOF_PTHREAD_MUTEXATTR_T 8
+#define __SIZEOF_PTHREAD_COND_T 72
+#define __SIZEOF_PTHREAD_COND_COMPAT_T 48
+#define __SIZEOF_PTHREAD_CONDATTR_T 8
+#define __SIZEOF_PTHREAD_RWLOCK_T 80
+#define __SIZEOF_PTHREAD_RWLOCKATTR_T 16
+#define __SIZEOF_PTHREAD_BARRIER_T 32
+#define __SIZEOF_PTHREAD_BARRIERATTR_T 16
+
+#define __PTHREAD_RWLOCK_INT_FLAGS_SHARED 1
+
+/* Thread identifiers. The structure of the attribute type is not
+ exposed on purpose. */
+typedef unsigned long int pthread_t;
+
+
+union pthread_attr_t
+{
+ char __size[__SIZEOF_PTHREAD_ATTR_T];
+ long int __align;
+};
+#ifndef __have_pthread_attr_t
+typedef union pthread_attr_t pthread_attr_t;
+# define __have_pthread_attr_t1
+#endif
+
+typedef struct __pthread_internal_list
+{
+ struct __pthread_internal_list *__prev;
+ struct __pthread_internal_list *__next;
+} __pthread_list_t;
+
+
+/* Data structures for mutex handling. The structure of the attribute
+ type is not exposed on purpose. */
+typedef union
+{
+ struct __pthread_mutex_s
+ {
+ int __lock;
+ unsigned int __count;
+ int __owner;
+ unsigned int __nusers;
+ /* KIND must stay at this position in the structure to maintain
+ binary compatibility with static initializers. */
+ int __kind;
+ int __spins;
+ __pthread_list_t __list;
+#define __PTHREAD_MUTEX_HAVE_PREV 1
+ } __data;
+ char __size[__SIZEOF_PTHREAD_MUTEX_T];
+ long int __align;
+} pthread_mutex_t;
+
+/* Mutex __spins initializer used by PTHREAD_MUTEX_INITIALIZER. */
+#define __PTHREAD_SPINS 0
+
+typedef union
+{
+ char __size[__SIZEOF_PTHREAD_MUTEXATTR_T];
+ long int __align;
+} pthread_mutexattr_t;
+
+/* Data structure for conditional variable handling. The structure of
+ the attribute type is not exposed on purpose. */
+typedef union
+{
+ struct
+ {
+ int __lock;
+ unsigned int __futex;
+ __extension__ unsigned long long int __total_seq;
+ __extension__ unsigned long long int __wakeup_seq;
+ __extension__ unsigned long long int __woken_seq;
+ void *__mutex;
+ unsigned int __nwaiters;
+ unsigned int __broadcast_seq;
+ } __data;
+ char __size[__SIZEOF_PTHREAD_COND_T];
+ __extension__ long long int __align;
+} pthread_cond_t;
+
+typedef union
+{
+ char __size[__SIZEOF_PTHREAD_CONDATTR_T];
+ int __align;
+} pthread_condattr_t;
+
+
+/* Keys for thread-specific data */
+typedef unsigned int pthread_key_t;
+
+
+/* Once-only execution */
+typedef int pthread_once_t;
+
+
+#if defined __USE_UNIX98 || defined __USE_XOPEN2K
+/* Data structure for read-write lock variable handling. The
+ structure of the attribute type is not exposed on purpose. */
+typedef union
+{
+ struct
+ {
+ int __lock;
+ unsigned int __nr_readers;
+ unsigned int __readers_wakeup;
+ unsigned int __writer_wakeup;
+ unsigned int __nr_readers_queued;
+ unsigned int __nr_writers_queued;
+ int __writer;
+ int __shared;
+ unsigned long int __pad1;
+ unsigned long int __pad2;
+ unsigned int __flags;
+ } __data;
+ char __size[__SIZEOF_PTHREAD_RWLOCK_T];
+ long int __align;
+} pthread_rwlock_t;
+
+#define __PTHREAD_RWLOCK_ELISION_EXTRA 0
+
+typedef union
+{
+ char __size[__SIZEOF_PTHREAD_RWLOCKATTR_T];
+ long int __align;
+} pthread_rwlockattr_t;
+#endif
+
+
+#ifdef __USE_XOPEN2K
+/* POSIX spinlock data type. */
+typedef volatile int pthread_spinlock_t;
+
+
+/* POSIX barriers data type. The structure of the type is
+ deliberately not exposed. */
+typedef union
+{
+ char __size[__SIZEOF_PTHREAD_BARRIER_T];
+ long int __align;
+} pthread_barrier_t;
+
+typedef union
+{
+ char __size[__SIZEOF_PTHREAD_BARRIERATTR_T];
+ int __align;
+} pthread_barrierattr_t;
+#endif
+
+#endif /* bits/pthreadtypes.h */
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/kvx/bits/semaphore.h b/libpthread/nptl/sysdeps/unix/sysv/linux/kvx/bits/semaphore.h
new file mode 100644
index 000000000..0acafdbb0
--- /dev/null
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/kvx/bits/semaphore.h
@@ -0,0 +1,30 @@
+/*
+ * This file is subject to the terms and conditions of the LGPL V2.1
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2019 Kalray Inc.
+ */
+
+#ifndef _SEMAPHORE_H
+# error "Never use <bits/semaphore.h> directly; include <semaphore.h> instead."
+#endif
+
+#include <bits/wordsize.h>
+
+#if __WORDSIZE == 64
+# define __SIZEOF_SEM_T 32
+#else
+# define __SIZEOF_SEM_T 16
+#endif
+
+
+/* Value returned if `sem_open' failed. */
+#define SEM_FAILED ((sem_t *) 0)
+
+
+typedef union
+{
+ char __size[__SIZEOF_SEM_T];
+ long int __align;
+} sem_t;
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/kvx/createthread.c b/libpthread/nptl/sysdeps/unix/sysv/linux/kvx/createthread.c
new file mode 100644
index 000000000..1b82c9190
--- /dev/null
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/kvx/createthread.c
@@ -0,0 +1,14 @@
+/*
+ * This file is subject to the terms and conditions of the LGPL V2.1
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2019 Kalray Inc.
+ */
+
+/* Value passed to 'clone' for initialization of the thread register. */
+#define TLS_VALUE ((void *) (pd) \
+ + TLS_PRE_TCB_SIZE + TLS_INIT_TCB_SIZE)
+
+/* Get the real implementation. */
+#include <sysdeps/pthread/createthread.c>
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/kvx/fork.c b/libpthread/nptl/sysdeps/unix/sysv/linux/kvx/fork.c
new file mode 100644
index 000000000..4f7044a0b
--- /dev/null
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/kvx/fork.c
@@ -0,0 +1,11 @@
+#include <sched.h>
+#include <signal.h>
+#include <sysdep.h>
+#include <tls.h>
+
+#define ARCH_FORK() \
+ INLINE_SYSCALL (clone, 5, \
+ CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID | SIGCHLD, 0, \
+ NULL, &THREAD_SELF->tid, NULL)
+
+#include "../fork.c"
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/kvx/pthread_once.c b/libpthread/nptl/sysdeps/unix/sysv/linux/kvx/pthread_once.c
new file mode 100644
index 000000000..0d2749edf
--- /dev/null
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/kvx/pthread_once.c
@@ -0,0 +1,77 @@
+/*
+ * This file is subject to the terms and conditions of the LGPL V2.1
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2019 Kalray Inc.
+ */
+
+#include "pthreadP.h"
+#include <lowlevellock.h>
+
+unsigned long int __fork_generation attribute_hidden;
+
+static void
+clear_once_control (void *arg)
+{
+ pthread_once_t *once_control = (pthread_once_t *) arg;
+
+ *once_control = 0;
+ lll_futex_wake (once_control, INT_MAX, LLL_PRIVATE);
+}
+
+
+int
+__pthread_once (once_control, init_routine)
+ pthread_once_t *once_control;
+ void (*init_routine) (void);
+{
+ while (1)
+ {
+ int oldval, val, newval;
+
+ val = *once_control;
+ do
+ {
+ /* Check if the initialized has already been done. */
+ if ((val & 2) != 0)
+ return 0;
+
+ oldval = val;
+ newval = (oldval & 3) | __fork_generation | 1;
+ val = atomic_compare_and_exchange_val_acq (once_control, newval, oldval);
+ } while (__builtin_expect (val != oldval, 0));
+
+ /* Check if another thread already runs the initializer. */
+ if ((oldval & 1) != 0)
+ {
+ /* Check whether the initializer execution was interrupted
+ * by a fork. */
+ if (((oldval ^ newval) & -4) == 0)
+ {
+ /* Same generation, some other thread was faster. Wait. */
+ lll_futex_wait (once_control, newval, LLL_PRIVATE);
+ continue;
+ }
+ }
+ /* This thread is the first here. Do the initialization.
+ * Register a cleanup handler so that in case the thread gets
+ * interrupted the initialization can be restarted. */
+ pthread_cleanup_push (clear_once_control, once_control);
+
+ init_routine ();
+
+ pthread_cleanup_pop (0);
+
+ /* Add one to *once_control. */
+ atomic_increment (once_control);
+
+ /* Wake up all other threads. */
+ lll_futex_wake (once_control, INT_MAX, LLL_PRIVATE);
+ break;
+ }
+
+ return 0;
+}
+weak_alias (__pthread_once, pthread_once)
+strong_alias (__pthread_once, __pthread_once_internal)
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/kvx/sysdep-cancel.h b/libpthread/nptl/sysdeps/unix/sysv/linux/kvx/sysdep-cancel.h
new file mode 100644
index 000000000..09f538fc2
--- /dev/null
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/kvx/sysdep-cancel.h
@@ -0,0 +1,43 @@
+/*
+ * This file is subject to the terms and conditions of the LGPV V2.1
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2019 Kalray Inc.
+ */
+
+#include <sysdep.h>
+#include <tls.h>
+#ifndef __ASSEMBLER__
+# include <pthreadP.h>
+#endif
+
+#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt
+
+# if defined IS_IN_libpthread
+# define __local_multiple_threads __pthread_multiple_threads
+# elif !defined NOT_IN_libc
+# define __local_multiple_threads __libc_multiple_threads
+# endif
+
+# if defined IS_IN_libpthread || !defined NOT_IN_libc
+extern int __local_multiple_threads attribute_hidden;
+# define SINGLE_THREAD_P __builtin_expect (__local_multiple_threads == 0, 1)
+# else
+/* There is no __local_multiple_threads for librt, so use the TCB. */
+# define SINGLE_THREAD_P \
+ __builtin_expect (THREAD_GETMEM (THREAD_SELF, \
+ header.multiple_threads) == 0, 1)
+# endif
+
+#else
+
+/* For rtld, et cetera. */
+# define SINGLE_THREAD_P 1
+# define NO_CANCELLATION 1
+
+#endif
+
+# define RTLD_SINGLE_THREAD_P \
+ __builtin_expect (THREAD_GETMEM (THREAD_SELF, \
+ header.multiple_threads) == 0, 1)